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[n]	P. M. Strubin and N. N. Trofimov, “First Experience with Control and Operational Models for Vacuum Equipment in the AD Decelerator”, in Proc. PAC'99, New York, NY, USA, Mar. 1999, paper WECL4, pp. 346-348. 

[n]	J. T. Gunn and J. T. Lyman, “A Versatile Patient Positioner for Radiation Therapy”, in Proc. PAC'73, San Francisco, CA, USA, Mar. 1973, pp. 1022-1025. 

[n]	D. Sanders, S. Sampayan, R. Neurath, and M. Krogh, “Evaluation of Target Options for Advanced Radiography Facilities”, in Proc. PAC'99, New York, NY, USA, Mar. 1999, paper WEP161, pp. 2611-2613. 

[n]	S. Hunt, “The Control System for the SLS Superconducting Third Harmonic Cavities.”, in Proc. ICALEPCS'03, Gyeongju, Korea, Oct. 2003, paper MP545, pp. XX-XX. 

[n]	V. T. Baranov, V. N. Gorlov, D. A. Savin, and V. Terekhov, “Fast Wire Scanners for U-70 Accelerator of IHEP”, in Proc. RuPAC'18, Protvino, Russia, Oct. 2018, pp. 459-461. doi:10.18429/JACoW-RUPAC2018-THPSC24

[n]	F. B. Selph and J. M. Peterson, “Selection of Injector Synchrotron Parameters to Minimize Cost of the 200 - BeV Accelerator”, in Proc. PAC'67, Washington D.C., USA, Mar. 1967, pp. 892-898. 

[n]	J. M. Lefebvre, “Higher Brilliance at the ESRF”, in Proc. EPAC'96, Sitges, Spain, Jun. 1996, paper MOY04A, pp. 67-71. 

[n]	G. Mrotzek, R. Cernik, J. Flaherty, and P. D. Quinn, “Photon Beam Position Monitors on the SRS at Daresbury”, in Proc. EPAC'94, London, UK, Jun.-Jul. 1994, pp. 1563-1566. 

[n]	A. M. Vetter, T. L. Buller, D. H. Dowell, and P. E. Johnson, “First Operation of the HAP/MOPA Traveling Wave Structure at Boeing FEL”, in Proc. PAC'97, Vancouver, Canada, May 1997, paper 2P035, pp. 2950-2952. 

[n]	F. B. Selph, “Beam Dynamics Problems in a Multiparticle Rapid Cycling Synchrotron”, in Proc. PAC'69, Washington D.C., USA, Mar. 1969, pp. 975-979. 

[n]	A. V. Serov, A. V. Koltsov, and I. A. Mamonov, “Experimental Study of the Scattering of 7.4 Mev Electrons Intersecting a Foil at an angle of 5ÔÇô60 degree to its Surface”, in Proc. RuPAC'14, Obninsk, Russia, Oct. 2014, paper THPSC36, pp. 401-403. 

[n]	G. Raffi and B. E. Glendenning, “ALMA Software Development Approach”, in Proc. ICALEPCS'03, Gyeongju, Korea, Oct. 2003, paper MO812, pp. XX-XX. 

[n]	L. J. Besse, “Properties of a Parallel Digital Data Transmission Road" for Control Application"”, in Proc. PAC'71, Chicago, IL, USA, Mar. 1971, pp. 405-407. 

[n]	D. H. Chang, Y. W. Jun, B. H. Oh, and S. J. Hong, “Data Acquisition and Control System for the Prototype KSTAR NB Heating System”, in Proc. ICALEPCS'03, Gyeongju, Korea, Oct. 2003, paper MP520, pp. XX-XX. 

[n]	V. N. Korchuganov and M. M. Samorukov, “SR Complex Siberia: The Beginning of the Commissioning”, in Proc. EPAC'92, Berlin, Germany, Mar. 1992, pp. 474-477. 

[n]	M. Justus, R. Jainsch, T. Kirschke, U. Lehnert, P. Michel, and W. Seidel, “Primary and Secondary Beam Stabilization at the ELBE Accelerator Facility”, in Proc. ICALEPCS'09, Kobe, Japan, Oct. 2009, paper THB005, pp. 656-658. 

[n]	F. B. Selph, “Problems in Design and Operation of Super-Hilac Beam Transport Systems”, in Proc. PAC'73, San Francisco, CA, USA, Mar. 1973, pp. 488-491. 

[n]	F. H. G. Lothrop, “The Chromonitor, A Colorful Dynamic Graphic Display Terminal”, in Proc. PAC'73, San Francisco, CA, USA, Mar. 1973, pp. 558-561. 

For LaTeX

%\cite{Strubin:PAC99-WECL4} \bibitem{Strubin:PAC99-WECL4} P. M. Strubin and N. N. Trofimov, \textquotedblleft{First Experience with Control and Operational Models for Vacuum Equipment in the AD Decelerator}\textquotedblright, in \emph{Proc. PAC’99}, New York, NY, USA, Mar. 1999, paper WECL4, pp. 346--348. %\cite{Gunn:PAC73} \bibitem{Gunn:PAC73} J. T. Gunn and J. T. Lyman, \textquotedblleft{A Versatile Patient Positioner for Radiation Therapy}\textquotedblright, in \emph{Proc. PAC’73}, San Francisco, CA, USA, Mar. 1973, pp. 1022--1025. %\cite{DS:PAC99-WEP161} \bibitem{DS:PAC99-WEP161} D. Sanders, S. Sampayan, R. Neurath, and M. Krogh, \textquotedblleft{Evaluation of Target Options for Advanced Radiography Facilities}\textquotedblright, in \emph{Proc. PAC’99}, New York, NY, USA, Mar. 1999, paper WEP161, pp. 2611--2613. %\cite{Hunt:ICALEPCS03-MP545} \bibitem{Hunt:ICALEPCS03-MP545} S. Hunt, \textquotedblleft{The Control System for the SLS Superconducting Third Harmonic Cavities.}\textquotedblright, in \emph{Proc. ICALEPCS’03}, Gyeongju, Korea, Oct. 2003, paper MP545, pp. XX--XX. %\cite{Baranov:RuPAC18-THPSC24} \bibitem{Baranov:RuPAC18-THPSC24} V. T. Baranov, V. N. Gorlov, D. A. Savin, and V. Terekhov, \textquotedblleft{Fast Wire Scanners for U-70 Accelerator of IHEP}\textquotedblright, in \emph{Proc. RuPAC’18}, Protvino, Russia, Oct. 2018, pp. 459--461. \url{doi:10.18429/JACoW-RUPAC2018-THPSC24} %\cite{Selph:PAC67} \bibitem{Selph:PAC67} F. B. Selph and J. M. Peterson, \textquotedblleft{Selection of Injector Synchrotron Parameters to Minimize Cost of the 200 - BeV Accelerator}\textquotedblright, in \emph{Proc. PAC’67}, Washington D.C., USA, Mar. 1967, pp. 892--898. %\cite{Lefebvre:EPAC96-MOY04A} \bibitem{Lefebvre:EPAC96-MOY04A} J. M. Lefebvre, \textquotedblleft{Higher Brilliance at the ESRF}\textquotedblright, in \emph{Proc. EPAC’96}, Sitges, Spain, Jun. 1996, paper MOY04A, pp. 67--71. %\cite{Mrotzek:EPAC94} \bibitem{Mrotzek:EPAC94} G. Mrotzek, R. Cernik, J. Flaherty, and P. D. Quinn, \textquotedblleft{Photon Beam Position Monitors on the SRS at Daresbury}\textquotedblright, in \emph{Proc. EPAC’94}, London, UK, Jun.-Jul. 1994, pp. 1563--1566. %\cite{Vetter:PAC97-2P035} \bibitem{Vetter:PAC97-2P035} A. M. Vetter, T. L. Buller, D. H. Dowell, and P. E. Johnson, \textquotedblleft{First Operation of the HAP/MOPA Traveling Wave Structure at Boeing FEL}\textquotedblright, in \emph{Proc. PAC’97}, Vancouver, Canada, May 1997, paper 2P035, pp. 2950--2952. %\cite{Selph:PAC69} \bibitem{Selph:PAC69} F. B. Selph, \textquotedblleft{Beam Dynamics Problems in a Multiparticle Rapid Cycling Synchrotron}\textquotedblright, in \emph{Proc. PAC’69}, Washington D.C., USA, Mar. 1969, pp. 975--979. %\cite{Serov:RuPAC14-THPSC36} \bibitem{Serov:RuPAC14-THPSC36} A. V. Serov, A. V. Koltsov, and I. A. Mamonov, \textquotedblleft{Experimental Study of the Scattering of 7.4 Mev Electrons Intersecting a Foil at an angle of 5ÔÇô60 degree to its Surface}\textquotedblright, in \emph{Proc. RuPAC’14}, Obninsk, Russia, Oct. 2014, paper THPSC36, pp. 401--403. %\cite{Raffi:ICALEPCS03-MO812} \bibitem{Raffi:ICALEPCS03-MO812} G. Raffi and B. E. Glendenning, \textquotedblleft{ALMA Software Development Approach}\textquotedblright, in \emph{Proc. ICALEPCS’03}, Gyeongju, Korea, Oct. 2003, paper MO812, pp. XX--XX. %\cite{Besse:PAC71} \bibitem{Besse:PAC71} L. J. Besse, \textquotedblleft{Properties of a Parallel Digital Data Transmission Road" for Control Application"}\textquotedblright, in \emph{Proc. PAC’71}, Chicago, IL, USA, Mar. 1971, pp. 405--407. %\cite{Chang:ICALEPCS03-MP520} \bibitem{Chang:ICALEPCS03-MP520} D. H. Chang, Y. W. Jun, B. H. Oh, and S. J. Hong, \textquotedblleft{Data Acquisition and Control System for the Prototype KSTAR NB Heating System}\textquotedblright, in \emph{Proc. ICALEPCS’03}, Gyeongju, Korea, Oct. 2003, paper MP520, pp. XX--XX. %\cite{Korchuganov:EPAC92} \bibitem{Korchuganov:EPAC92} V. N. Korchuganov and M. M. Samorukov, \textquotedblleft{SR Complex Siberia: The Beginning of the Commissioning}\textquotedblright, in \emph{Proc. EPAC’92}, Berlin, Germany, Mar. 1992, pp. 474--477. %\cite{Justus:ICALEPCS09-THB005} \bibitem{Justus:ICALEPCS09-THB005} M. Justus, R. Jainsch, T. Kirschke, U. Lehnert, P. Michel, and W. Seidel, \textquotedblleft{Primary and Secondary Beam Stabilization at the ELBE Accelerator Facility}\textquotedblright, in \emph{Proc. ICALEPCS’09}, Kobe, Japan, Oct. 2009, paper THB005, pp. 656--658. %\cite{Selph:PAC73} \bibitem{Selph:PAC73} F. B. Selph, \textquotedblleft{Problems in Design and Operation of Super-Hilac Beam Transport Systems}\textquotedblright, in \emph{Proc. PAC’73}, San Francisco, CA, USA, Mar. 1973, pp. 488--491. %\cite{Lothrop:PAC73} \bibitem{Lothrop:PAC73} F. H. G. Lothrop, \textquotedblleft{The Chromonitor, A Colorful Dynamic Graphic Display Terminal}\textquotedblright, in \emph{Proc. PAC’73}, San Francisco, CA, USA, Mar. 1973, pp. 558--561.

For BibTeX

@inproceedings{strubin:pac99-wecl4, author = {P. M. Strubin and N. N. Trofimov}, title = {{First Experience with Control and Operational Models for Vacuum Equipment in the AD Decelerator}}, booktitle = {Proc. PAC'99}, pages = {346--348}, paper = {WECL4}, venue = {New York, NY, USA, Mar. 1999}, publisher = {JACoW Publishing, Geneva, Switzerland}, url = {https://jacow.org/p99/papers/WECL4.pdf}, language = {english} } @inproceedings{gunn:pac73, author = {J. T. Gunn and J. T. Lyman}, title = {{A Versatile Patient Positioner for Radiation Therapy}}, booktitle = {Proc. PAC'73}, pages = {1022--1025}, paper = {}, venue = {San Francisco, CA, USA}, series = {Particle Accelerator Conference}, number = {5}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {6}, year = {1973}, language = {english} } @inproceedings{ds:pac99-wep161, author = {D. Sanders and S. Sampayan and R. Neurath and M. Krogh}, title = {{Evaluation of Target Options for Advanced Radiography Facilities}}, booktitle = {Proc. PAC'99}, pages = {2611--2613}, paper = {WEP161}, venue = {New York, NY, USA, Mar. 1999}, publisher = {JACoW Publishing, Geneva, Switzerland}, url = {https://jacow.org/p99/papers/WEP161.pdf}, language = {english} } @inproceedings{hunt:icalepcs03-mp545, author = {S. Hunt}, title = {{The Control System for the SLS Superconducting Third Harmonic Cavities.}}, booktitle = {Proc. ICALEPCS'03}, paper = {MP545}, venue = {Gyeongju, Korea, Oct. 2003}, publisher = {JACoW Publishing, Geneva, Switzerland}, url = {https://jacow.org/ica03/papers/MP545.pdf}, language = {english} } @inproceedings{baranov:rupac18-thpsc24, author = {V. T. Baranov and V. N. Gorlov and D. A. Savin and V. Terekhov}, title = {{Fast Wire Scanners for U-70 Accelerator of IHEP}}, booktitle = {Proc. RuPAC'18}, pages = {459--461}, paper = {THPSC24}, venue = {Protvino, Russia, Oct. 2018}, publisher = {JACoW Publishing, Geneva, Switzerland}, doi = {10.18429/JACoW-RUPAC2018-THPSC24}, url = {https://jacow.org/rupac2018/papers/THPSC24.pdf}, language = {english} } @inproceedings{selph:pac67, author = {F. B. Selph and J. M. Peterson}, title = {{Selection of Injector Synchrotron Parameters to Minimize Cost of the 200 - BeV Accelerator}}, booktitle = {Proc. PAC'67}, pages = {892--898}, paper = {}, venue = {Washington D.C., USA}, series = {Particle Accelerator Conference}, number = {2}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {6}, year = {1967}, language = {english} } @inproceedings{lefebvre:epac96-moy04a, author = {J. M. Lefebvre}, title = {{Higher Brilliance at the ESRF}}, booktitle = {Proc. EPAC'96}, pages = {67--71}, paper = {MOY04A}, venue = {Sitges, Spain}, series = {European Particle Accelerator Conference}, number = {5}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {9}, year = {1996}, language = {english} } @inproceedings{mrotzek:epac94, author = {G. Mrotzek and R. Cernik and J. Flaherty and P. D. Quinn}, title = {{Photon Beam Position Monitors on the SRS at Daresbury}}, booktitle = {Proc. EPAC'94}, pages = {1563--1566}, paper = {}, venue = {London, UK, Jun.-Jul. 1994}, series = {European Particle Accelerator Conference}, number = {4}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} } @inproceedings{vetter:pac97-2p035, author = {A. M. Vetter and T. L. Buller and D. H. Dowell and P. E. Johnson}, title = {{First Operation of the HAP/MOPA Traveling Wave Structure at Boeing FEL}}, booktitle = {Proc. PAC'97}, pages = {2950--2952}, paper = {2P035}, venue = {Vancouver, Canada, May 1997}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} } @inproceedings{selph:pac69, author = {F. B. Selph}, title = {{Beam Dynamics Problems in a Multiparticle Rapid Cycling Synchrotron}}, booktitle = {Proc. PAC'69}, pages = {975--979}, paper = {}, venue = {Washington D.C., USA}, series = {Particle Accelerator Conference}, number = {3}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {6}, year = {1969}, language = {english} } @inproceedings{serov:rupac14-thpsc36, author = {A. V. Serov and A. V. Koltsov and I. A. Mamonov}, title = {{Experimental Study of the Scattering of 7.4 Mev Electrons Intersecting a Foil at an angle of 5ÔÇô60 degree to its Surface}}, booktitle = {Proc. RuPAC'14}, pages = {401--403}, paper = {THPSC36}, venue = {Obninsk, Russia, Oct. 2014}, publisher = {JACoW Publishing, Geneva, Switzerland}, url = {https://jacow.org/rupac2014/papers/THPSC36.pdf}, language = {english} } @inproceedings{raffi:icalepcs03-mo812, author = {G. Raffi and B. E. Glendenning}, title = {{ALMA Software Development Approach}}, booktitle = {Proc. ICALEPCS'03}, paper = {MO812}, venue = {Gyeongju, Korea, Oct. 2003}, publisher = {JACoW Publishing, Geneva, Switzerland}, url = {https://jacow.org/ica03/papers/MO812.pdf}, language = {english} } @inproceedings{besse:pac71, author = {L. J. Besse}, title = {{Properties of a Parallel Digital Data Transmission Road" for Control Application"}}, booktitle = {Proc. PAC'71}, pages = {405--407}, paper = {}, venue = {Chicago, IL, USA}, series = {Particle Accelerator Conference}, number = {4}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {6}, year = {1971}, language = {english} } @inproceedings{chang:icalepcs03-mp520, author = {D. H. Chang and Y. W. Jun and B. H. Oh and S. J. Hong}, title = {{Data Acquisition and Control System for the Prototype KSTAR NB Heating System}}, booktitle = {Proc. ICALEPCS'03}, paper = {MP520}, venue = {Gyeongju, Korea, Oct. 2003}, publisher = {JACoW Publishing, Geneva, Switzerland}, url = {https://jacow.org/ica03/papers/MP520.pdf}, language = {english} } @inproceedings{korchuganov:epac92, author = {V. N. Korchuganov and M. M. Samorukov}, title = {{SR Complex Siberia: The Beginning of the Commissioning}}, booktitle = {Proc. EPAC'92}, pages = {474--477}, paper = {}, venue = {Berlin, Germany, Mar. 1992}, series = {European Particle Accelerator Conference}, number = {3}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} } @inproceedings{justus:icalepcs09-thb005, author = {M. Justus and R. Jainsch and T. Kirschke and U. Lehnert and P. Michel and W. Seidel}, title = {{Primary and Secondary Beam Stabilization at the ELBE Accelerator Facility}}, booktitle = {Proc. ICALEPCS'09}, pages = {656--658}, paper = {THB005}, venue = {Kobe, Japan, Oct. 2009}, publisher = {JACoW Publishing, Geneva, Switzerland}, url = {https://jacow.org/icalepcs2009/papers/THB005.pdf}, language = {english} } @inproceedings{selph:pac73, author = {F. B. Selph}, title = {{Problems in Design and Operation of Super-Hilac Beam Transport Systems}}, booktitle = {Proc. PAC'73}, pages = {488--491}, paper = {}, venue = {San Francisco, CA, USA}, series = {Particle Accelerator Conference}, number = {5}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {6}, year = {1973}, language = {english} } @inproceedings{lothrop:pac73, author = {F. H. G. Lothrop}, title = {{The Chromonitor, A Colorful Dynamic Graphic Display Terminal}}, booktitle = {Proc. PAC'73}, pages = {558--561}, paper = {}, venue = {San Francisco, CA, USA}, series = {Particle Accelerator Conference}, number = {5}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {6}, year = {1973}, language = {english} }

References

• P. M. Strubin and N. N. Trofimov, “First Experience with Control and Operational Models for Vacuum Equipment in the AD Decelerator”, in Proc. 18th Particle Accelerator Conf. (PAC'99), New York, NY, USA, Mar. 1999, paper WECL4, pp. 346-348.
• J. T. Gunn and J. T. Lyman, “A Versatile Patient Positioner for Radiation Therapy”, in Proc. 5th Particle Accelerator Conf. (PAC'73), San Francisco, CA, USA, Mar. 1973, pp. 1022-1025.
• D. Sanders, S. Sampayan, R. Neurath, and M. Krogh, “Evaluation of Target Options for Advanced Radiography Facilities”, in Proc. 18th Particle Accelerator Conf. (PAC'99), New York, NY, USA, Mar. 1999, paper WEP161, pp. 2611-2613.
• S. Hunt, “The Control System for the SLS Superconducting Third Harmonic Cavities.”, in Proc. 9th Int. Conf. on Accelerator and Large Experimental Physics Control Systems (ICALEPCS'03), Gyeongju, Korea, Oct. 2003, paper MP545, pp. XX-XX.
• V. T. Baranov, V. N. Gorlov, D. A. Savin, and V. Terekhov, “Fast Wire Scanners for U-70 Accelerator of IHEP”, in Proc. 26th Russian Particle Accelerator Conf. (RuPAC'18), Protvino, Russia, Oct. 2018, pp. 459-461.
• F. B. Selph and J. M. Peterson, “Selection of Injector Synchrotron Parameters to Minimize Cost of the 200 - BeV Accelerator”, in Proc. 2nd Particle Accelerator Conf. (PAC'67), Washington D.C., USA, Mar. 1967, pp. 892-898.
• J. M. Lefebvre, “Higher Brilliance at the ESRF”, in Proc. 5th European Particle Accelerator Conf. (EPAC'96), Sitges, Spain, Jun. 1996, paper MOY04A, pp. 67-71.
• G. Mrotzek, R. Cernik, J. Flaherty, and P. D. Quinn, “Photon Beam Position Monitors on the SRS at Daresbury”, in Proc. 4th European Particle Accelerator Conf. (EPAC'94), London, UK, Jun.-Jul. 1994, pp. 1563-1566.
• A. M. Vetter, T. L. Buller, D. H. Dowell, and P. E. Johnson, “First Operation of the HAP/MOPA Traveling Wave Structure at Boeing FEL”, in Proc. 17th Particle Accelerator Conf. (PAC'97), Vancouver, Canada, May 1997, paper 2P035, pp. 2950-2952.
• F. B. Selph, “Beam Dynamics Problems in a Multiparticle Rapid Cycling Synchrotron”, in Proc. 3rd Particle Accelerator Conf. (PAC'69), Washington D.C., USA, Mar. 1969, pp. 975-979.
• A. V. Serov, A. V. Koltsov, and I. A. Mamonov, “Experimental Study of the Scattering of 7.4 Mev Electrons Intersecting a Foil at an angle of 5ÔÇô60 degree to its Surface”, in Proc. 24th Russian Particle Accelerator Conf. (RuPAC'14), Obninsk, Russia, Oct. 2014, paper THPSC36, pp. 401-403.
• G. Raffi and B. E. Glendenning, “ALMA Software Development Approach”, in Proc. 9th Int. Conf. on Accelerator and Large Experimental Physics Control Systems (ICALEPCS'03), Gyeongju, Korea, Oct. 2003, paper MO812, pp. XX-XX.
• L. J. Besse, “Properties of a Parallel Digital Data Transmission Road" for Control Application"”, in Proc. 4th Particle Accelerator Conf. (PAC'71), Chicago, IL, USA, Mar. 1971, pp. 405-407.
• D. H. Chang, Y. W. Jun, B. H. Oh, and S. J. Hong, “Data Acquisition and Control System for the Prototype KSTAR NB Heating System”, in Proc. 9th Int. Conf. on Accelerator and Large Experimental Physics Control Systems (ICALEPCS'03), Gyeongju, Korea, Oct. 2003, paper MP520, pp. XX-XX.
• V. N. Korchuganov and M. M. Samorukov, “SR Complex Siberia: The Beginning of the Commissioning”, in Proc. 3rd European Particle Accelerator Conf. (EPAC'92), Berlin, Germany, Mar. 1992, pp. 474-477.
• M. Justus, R. Jainsch, T. Kirschke, U. Lehnert, P. Michel, and W. Seidel, “Primary and Secondary Beam Stabilization at the ELBE Accelerator Facility”, in Proc. 12th Int. Conf. on Accelerator and Large Experimental Physics Control Systems (ICALEPCS'09), Kobe, Japan, Oct. 2009, paper THB005, pp. 656-658.
• F. B. Selph, “Problems in Design and Operation of Super-Hilac Beam Transport Systems”, in Proc. 5th Particle Accelerator Conf. (PAC'73), San Francisco, CA, USA, Mar. 1973, pp. 488-491.
• F. H. G. Lothrop, “The Chromonitor, A Colorful Dynamic Graphic Display Terminal”, in Proc. 5th Particle Accelerator Conf. (PAC'73), San Francisco, CA, USA, Mar. 1973, pp. 558-561.