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[n]	S. A. Litvinov et al., “Second-Order Correction in the Isochronous Mode of the Collector Ring (CR) at FAIR”, in Proc. RuPAC'12, Saint Petersburg, Russia, Sep. 2012, paper TUPPB037, pp. 400-402. 

[n]	V. Zvyagintsev, “Simulation of the RF Coupler for TRIUMF ISAC-II Superconducting Quarter Wave Resonators”, in Proc. LINAC'04, Lübeck, Germany, Aug. 2004, paper MOP92, pp. 234-236. 

[n]	I. Yonekawa, M. Shimono, T. Totsuka, and K. Yamagishi, “A New Workstation Based Man/Machine Interface System for the JT-60 Upgrade”, in Proc. ICALEPCS'91, Tsukuba, Japan, Nov. 1991, pp. 483-486. doi:10.18429/JACoW-ICALEPCS1991-S13MMI10

[n]	P. Eyharts et al., “First Results on LELIA Induction Injector”, in Proc. EPAC'92, Berlin, Germany, Mar. 1992, pp. 512-515. 

[n]	E. Merle et al., “Status of the AIRIX Accelerator”, in Proc. PAC'99, New York, NY, USA, Mar. 1999, paper THP128, pp. 3260-3262. 

[n]	C. Bonnafond and D. Villate, “Alignment Techniques for the High Current AIRIX Accelerator”, in Proc. PAC'99, New York, NY, USA, Mar. 1999, paper TUA131, pp. 1381-1383. 

[n]	J. P. Hucka et al., “Control System Developments and Machine Model Benchmark for the GSI Fragment Separator FRS”, in Proc. ICALEPCS'19, New York, NY, USA, Oct. 2019, pp. 1254. doi:10.18429/JACoW-ICALEPCS2019-WEPHA067

[n]	C. Compton et al., “Construction of a 161 MHz, =0.16 Superconducting Quarter Wave Resonator with Steering Correction for RIA”, in Proc. LINAC'04, Lübeck, Germany, Aug. 2004, paper THP13, pp. 626-626. 

[n]	Z. Y. Yao et al., “Tests of the Balloon Single Spoke Resonator”, in Proc. LINAC'18, Beijing, China, Sep. 2018, pp. 417-419. doi:10.18429/JACoW-LINAC2018-TUPO039

[n]	S. G. Seddon-Stettler, M. Liepe, T. E. Oseroff, N. Sitaraman, and Z. Sun, “Surface Characterization Studies of Gold-Plated Niobium”, in Proc. SRF'23, Grand Rapids, MI, USA, Jun. 2023, pp. 290-292. doi:10.18429/JACoW-SRF2023-MOPMB076

[n]	T. Fujisawa et al., “Design of the RF System of RIKEN SSC”, in Proc. Cyclotrons'84, East Lansing, MI, USA, Apr.-May 1984, paper H04, pp. 311-314. 

[n]	A. E. Candel et al., “Parallel Higher-Order Finite Element Method for Accurate Field Computations in Wakefield and PIC Simulations”, in Proc. ICAP'06, Chamonix, Switzerland, Oct. 2006, paper WEMPMP03, pp. 176-181. 

[n]	D. Mihailescu Stoica, D. Domont-Yankulova, H. Klingbeil, and D. E. M. Lens, “Sensitivity Analysis of Feedforward Beam Current Compensation for Improved Beam Loading Robustness”, in Proc. IPAC'19, Melbourne, Australia, May 2019, pp. 3850-3852. doi:10.18429/JACoW-IPAC2019-THPRB022

[n]	J. Bardy et al., “Design and Progress of the AIRIX Induction Accelerator”, in Proc. PAC'93, Washington D.C., USA, Mar. 1993, pp. 697-700. 

[n]	T. Yan, “Computation of Nonlinear One-Turn Maps from Measurement with Model-Independent Analysis”, in Proc. PAC'99, New York, NY, USA, Mar. 1999, paper WEDL4, pp. 363-365. 

[n]	N. S. Mirian, “Harmonic Generation in Two Orthogonal Undulators”, in Proc. FEL'15, Daejeon, Korea, Aug. 2015, pp. 200-204. doi:10.18429/JACoW-FEL2015-MOP070

[n]	E. Merle et al., “Installation of the AIRIX Induction Accelerator”, in Proc. LINAC'98, Chicago, IL, USA, Aug. 1998, paper TU4002, pp. 391-393. 

For LaTeX

%\cite{Litvinov:RuPAC12-TUPPB037} \bibitem{Litvinov:RuPAC12-TUPPB037} S. A. Litvinov \emph{et al.}, \textquotedblleft{Second-Order Correction in the Isochronous Mode of the Collector Ring (CR) at FAIR}\textquotedblright, in \emph{Proc. RuPAC’12}, Saint Petersburg, Russia, Sep. 2012, paper TUPPB037, pp. 400--402. %\cite{Zvyagintsev:LINAC04-MOP92} \bibitem{Zvyagintsev:LINAC04-MOP92} V. Zvyagintsev, \textquotedblleft{Simulation of the RF Coupler for TRIUMF ISAC-II Superconducting Quarter Wave Resonators}\textquotedblright, in \emph{Proc. LINAC’04}, Lübeck, Germany, Aug. 2004, paper MOP92, pp. 234--236. %\cite{Yonekawa:ICALEPCS91-S13MMI10} \bibitem{Yonekawa:ICALEPCS91-S13MMI10} I. Yonekawa, M. Shimono, T. Totsuka, and K. Yamagishi, \textquotedblleft{A New Workstation Based Man/Machine Interface System for the JT-60 Upgrade}\textquotedblright, in \emph{Proc. ICALEPCS’91}, Tsukuba, Japan, Nov. 1991, pp. 483--486. \doi{10.18429/JACoW-ICALEPCS1991-S13MMI10} %\cite{Eyharts:EPAC92} \bibitem{Eyharts:EPAC92} P. Eyharts \emph{et al.}, \textquotedblleft{First Results on LELIA Induction Injector}\textquotedblright, in \emph{Proc. EPAC’92}, Berlin, Germany, Mar. 1992, pp. 512--515. %\cite{Merle:PAC99-THP128} \bibitem{Merle:PAC99-THP128} E. Merle \emph{et al.}, \textquotedblleft{Status of the AIRIX Accelerator}\textquotedblright, in \emph{Proc. PAC’99}, New York, NY, USA, Mar. 1999, paper THP128, pp. 3260--3262. %\cite{Bonnafond:PAC99-TUA131} \bibitem{Bonnafond:PAC99-TUA131} C. Bonnafond and D. Villate, \textquotedblleft{Alignment Techniques for the High Current AIRIX Accelerator}\textquotedblright, in \emph{Proc. PAC’99}, New York, NY, USA, Mar. 1999, paper TUA131, pp. 1381--1383. %\cite{Hucka:ICALEPCS19-WEPHA067} \bibitem{Hucka:ICALEPCS19-WEPHA067} J. P. Hucka \emph{et al.}, \textquotedblleft{Control System Developments and Machine Model Benchmark for the GSI Fragment Separator FRS}\textquotedblright, in \emph{Proc. ICALEPCS’19}, New York, NY, USA, Oct. 2019, pp. 1254. \doi{10.18429/JACoW-ICALEPCS2019-WEPHA067} %\cite{Compton:LINAC04-THP13} \bibitem{Compton:LINAC04-THP13} C. Compton \emph{et al.}, \textquotedblleft{Construction of a 161 MHz, =0.16 Superconducting Quarter Wave Resonator with Steering Correction for RIA}\textquotedblright, in \emph{Proc. LINAC’04}, Lübeck, Germany, Aug. 2004, paper THP13, pp. 626--626. %\cite{Yao:LINAC18-TUPO039} \bibitem{Yao:LINAC18-TUPO039} Z. Y. Yao \emph{et al.}, \textquotedblleft{Tests of the Balloon Single Spoke Resonator}\textquotedblright, in \emph{Proc. LINAC’18}, Beijing, China, Sep. 2018, pp. 417--419. \doi{10.18429/JACoW-LINAC2018-TUPO039} %\cite{Seddon-Stettler:SRF23-MOPMB076} \bibitem{Seddon-Stettler:SRF23-MOPMB076} S. G. Seddon-Stettler, M. Liepe, T. E. Oseroff, N. Sitaraman, and Z. Sun, \textquotedblleft{Surface Characterization Studies of Gold-Plated Niobium}\textquotedblright, in \emph{Proc. SRF’23}, Grand Rapids, MI, USA, Jun. 2023, pp. 290--292. \doi{10.18429/JACoW-SRF2023-MOPMB076} %\cite{Fujisawa:Cyclotrons84-H04} \bibitem{Fujisawa:Cyclotrons84-H04} T. Fujisawa \emph{et al.}, \textquotedblleft{Design of the RF System of RIKEN SSC}\textquotedblright, in \emph{Proc. Cyclotrons’84}, East Lansing, MI, USA, Apr.-May 1984, paper H04, pp. 311--314. %\cite{AEC:ICAP06-WEMPMP03} \bibitem{AEC:ICAP06-WEMPMP03} A. E. Candel \emph{et al.}, \textquotedblleft{Parallel Higher-Order Finite Element Method for Accurate Field Computations in Wakefield and PIC Simulations}\textquotedblright, in \emph{Proc. ICAP’06}, Chamonix, Switzerland, Oct. 2006, paper WEMPMP03, pp. 176--181. %\cite{Mihailescu Stoica:IPAC19-THPRB022} \bibitem{Mihailescu Stoica:IPAC19-THPRB022} D. Mihailescu Stoica, D. Domont-Yankulova, H. Klingbeil, and D. E. M. Lens, \textquotedblleft{Sensitivity Analysis of Feedforward Beam Current Compensation for Improved Beam Loading Robustness}\textquotedblright, in \emph{Proc. IPAC’19}, Melbourne, Australia, May 2019, pp. 3850--3852. \doi{10.18429/JACoW-IPAC2019-THPRB022} %\cite{Bardy:PAC93} \bibitem{Bardy:PAC93} J. Bardy \emph{et al.}, \textquotedblleft{Design and Progress of the AIRIX Induction Accelerator}\textquotedblright, in \emph{Proc. PAC’93}, Washington D.C., USA, Mar. 1993, pp. 697--700. %\cite{Yan:PAC99-WEDL4} \bibitem{Yan:PAC99-WEDL4} T. Yan, \textquotedblleft{Computation of Nonlinear One-Turn Maps from Measurement with Model-Independent Analysis}\textquotedblright, in \emph{Proc. PAC’99}, New York, NY, USA, Mar. 1999, paper WEDL4, pp. 363--365. %\cite{Mirian:FEL15-MOP070} \bibitem{Mirian:FEL15-MOP070} N. S. Mirian, \textquotedblleft{Harmonic Generation in Two Orthogonal Undulators}\textquotedblright, in \emph{Proc. FEL’15}, Daejeon, Korea, Aug. 2015, pp. 200--204. \doi{10.18429/JACoW-FEL2015-MOP070} %\cite{Merle:LINAC98-TU4002} \bibitem{Merle:LINAC98-TU4002} E. Merle \emph{et al.}, \textquotedblleft{Installation of the AIRIX Induction Accelerator}\textquotedblright, in \emph{Proc. LINAC’98}, Chicago, IL, USA, Aug. 1998, paper TU4002, pp. 391--393.

For BibTeX

@inproceedings{litvinov:rupac12-tuppb037, author = {S. A. Litvinov and others}, title = {{Second-Order Correction in the Isochronous Mode of the Collector Ring (CR) at FAIR}}, booktitle = {Proc. RuPAC'12}, pages = {400--402}, paper = {TUPPB037}, venue = {Saint Petersburg, Russia, Sep. 2012}, publisher = {JACoW Publishing, Geneva, Switzerland}, url = {https://jacow.org/rupac2012/papers/TUPPB037.pdf}, language = {english} } @inproceedings{zvyagintsev:linac04-mop92, author = {V. Zvyagintsev}, title = {{Simulation of the RF Coupler for TRIUMF ISAC-II Superconducting Quarter Wave Resonators}}, booktitle = {Proc. LINAC'04}, pages = {234--236}, paper = {MOP92}, venue = {Lübeck, Germany, Aug. 2004}, series = {Linear Accelerator Conference}, number = {22}, publisher = {JACoW Publishing, Geneva, Switzerland}, url = {https://jacow.org/l04/papers/MOP92.pdf}, language = {english} } @inproceedings{yonekawa:icalepcs91-s13mmi10, author = {I. Yonekawa and M. Shimono and T. Totsuka and K. Yamagishi}, title = {{A New Workstation Based Man/Machine Interface System for the JT-60 Upgrade}}, booktitle = {Proc. ICALEPCS'91}, pages = {483--486}, paper = {S13MMI10}, venue = {Tsukuba, Japan}, series = {International Conference on Accelerator and Large Experimental Physics Control Systems}, number = {3}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {3}, year = {2024}, issn = {2226-0358}, isbn = {978-3-95-450254-7}, doi = {10.18429/JACoW-ICALEPCS1991-S13MMI10}, language = {english} } @inproceedings{eyharts:epac92, author = {P. Eyharts and others}, title = {{First Results on LELIA Induction Injector}}, booktitle = {Proc. EPAC'92}, pages = {512--515}, paper = {}, venue = {Berlin, Germany, Mar. 1992}, series = {European Particle Accelerator Conference}, number = {3}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} } @inproceedings{merle:pac99-thp128, author = {E. Merle and others}, title = {{Status of the AIRIX Accelerator}}, booktitle = {Proc. PAC'99}, pages = {3260--3262}, paper = {THP128}, venue = {New York, NY, USA, Mar. 1999}, publisher = {JACoW Publishing, Geneva, Switzerland}, url = {https://jacow.org/p99/papers/THP128.pdf}, language = {english} } @inproceedings{bonnafond:pac99-tua131, author = {C. Bonnafond and D. Villate}, title = {{Alignment Techniques for the High Current AIRIX Accelerator}}, booktitle = {Proc. PAC'99}, pages = {1381--1383}, paper = {TUA131}, venue = {New York, NY, USA, Mar. 1999}, publisher = {JACoW Publishing, Geneva, Switzerland}, url = {https://jacow.org/p99/papers/TUA131.pdf}, language = {english} } @inproceedings{hucka:icalepcs19-wepha067, author = {J. P. Hucka and others}, title = {{Control System Developments and Machine Model Benchmark for the GSI Fragment Separator FRS}}, booktitle = {Proc. ICALEPCS'19}, pages = {1254}, paper = {WEPHA067}, venue = {New York, NY, USA}, series = {International Conference on Accelerator and Large Experimental Physics Control Systems}, number = {17}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {10}, year = {2020}, issn = {2226-0358}, isbn = {978-3-95-450209-7}, doi = {10.18429/JACoW-ICALEPCS2019-WEPHA067}, url = {https://jacow.org/icalepcs2019/papers/WEPHA067.pdf}, language = {english} } @inproceedings{compton:linac04-thp13, author = {C. Compton and others}, title = {{Construction of a 161 MHz, =0.16 Superconducting Quarter Wave Resonator with Steering Correction for RIA}}, booktitle = {Proc. LINAC'04}, pages = {626--626}, paper = {THP13}, venue = {Lübeck, Germany, Aug. 2004}, series = {Linear Accelerator Conference}, number = {22}, publisher = {JACoW Publishing, Geneva, Switzerland}, url = {https://jacow.org/l04/papers/THP13.pdf}, language = {english} } @inproceedings{yao:linac18-tupo039, author = {Z. Y. Yao and others}, title = {{Tests of the Balloon Single Spoke Resonator}}, booktitle = {Proc. LINAC'18}, pages = {417--419}, paper = {TUPO039}, venue = {Beijing, China}, series = {Linear Accelerator Conference}, number = {29}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {1}, year = {2019}, issn = {2226-0366}, isbn = {978-3-95-450194-6}, doi = {10.18429/JACoW-LINAC2018-TUPO039}, url = {https://jacow.org/linac2018/papers/TUPO039.pdf}, language = {english} } @inproceedings{seddon-stettler:srf23-mopmb076, author = {S. G. Seddon-Stettler and M. Liepe and T. E. Oseroff and N. Sitaraman and Z. Sun}, title = {{Surface Characterization Studies of Gold-Plated Niobium}}, booktitle = {Proc. SRF'23}, pages = {290--292}, paper = {MOPMB076}, venue = {Grand Rapids, MI, USA}, series = {International Conference on RF Superconductivity}, number = {21}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {8}, year = {2023}, issn = {2673-5504}, isbn = {978-3-95-450234-9}, doi = {10.18429/JACoW-SRF2023-MOPMB076}, language = {english} } @inproceedings{fujisawa:cyclotrons84-h04, author = {T. Fujisawa and others}, title = {{Design of the RF System of RIKEN SSC}}, booktitle = {Proc. Cyclotrons'84}, pages = {311--314}, paper = {H04}, venue = {East Lansing, MI, USA, Apr.-May 1984}, publisher = {JACoW Publishing, Geneva, Switzerland}, url = {https://jacow.org/c84/papers/H04.pdf}, language = {english} } @inproceedings{aec:icap06-wempmp03, author = {A. E. Candel and others}, title = {{Parallel Higher-Order Finite Element Method for Accurate Field Computations in Wakefield and PIC Simulations}}, booktitle = {Proc. ICAP'06}, pages = {176--181}, paper = {WEMPMP03}, venue = {Chamonix, Switzerland, Oct. 2006}, publisher = {JACoW Publishing, Geneva, Switzerland}, url = {https://jacow.org/icap06/papers/WEMPMP03.pdf}, language = {english} } @inproceedings{mihailescu stoica:ipac19-thprb022, author = {D. Mihailescu Stoica and D. Domont-Yankulova and H. Klingbeil and D. E. M. Lens}, title = {{Sensitivity Analysis of Feedforward Beam Current Compensation for Improved Beam Loading Robustness}}, booktitle = {Proc. IPAC'19}, pages = {3850--3852}, paper = {THPRB022}, venue = {Melbourne, Australia, May 2019}, publisher = {JACoW Publishing, Geneva, Switzerland}, doi = {10.18429/JACoW-IPAC2019-THPRB022}, url = {http://accelconf.web.cern.ch/ipac2019/papers/THPRB022.pdf}, language = {english} } @inproceedings{bardy:pac93, author = {J. Bardy and others}, title = {{Design and Progress of the AIRIX Induction Accelerator}}, booktitle = {Proc. PAC'93}, pages = {697--700}, paper = {}, venue = {Washington D.C., USA, Mar. 1993}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} } @inproceedings{yan:pac99-wedl4, author = {T. Yan}, title = {{Computation of Nonlinear One-Turn Maps from Measurement with Model-Independent Analysis}}, booktitle = {Proc. PAC'99}, pages = {363--365}, paper = {WEDL4}, venue = {New York, NY, USA, Mar. 1999}, publisher = {JACoW Publishing, Geneva, Switzerland}, url = {https://jacow.org/p99/papers/WEDL4.pdf}, language = {english} } @inproceedings{mirian:fel15-mop070, author = {N. S. Mirian}, title = {{Harmonic Generation in Two Orthogonal Undulators}}, booktitle = {Proc. FEL'15}, pages = {200--204}, paper = {MOP070}, venue = {Daejeon, Korea, Aug. 2015}, publisher = {JACoW Publishing, Geneva, Switzerland}, doi = {10.18429/JACoW-FEL2015-MOP070}, url = {https://jacow.org/FEL2015/papers/MOP070.pdf}, language = {english} } @inproceedings{merle:linac98-tu4002, author = {E. Merle and others}, title = {{Installation of the AIRIX Induction Accelerator}}, booktitle = {Proc. LINAC'98}, pages = {391--393}, paper = {TU4002}, venue = {Chicago, IL, USA, Aug. 1998}, series = {Linear Accelerator Conference}, publisher = {JACoW Publishing, Geneva, Switzerland}, url = {https://jacow.org/l98/papers/TU4002.pdf}, language = {english} }

References

• S. A. Litvinov et al., “Second-Order Correction in the Isochronous Mode of the Collector Ring (CR) at FAIR”, in Proc. 23rd Russian Particle Accelerator Conf. (RuPAC'12), Saint Petersburg, Russia, Sep. 2012, paper TUPPB037, pp. 400-402.
• V. Zvyagintsev, “Simulation of the RF Coupler for TRIUMF ISAC-II Superconducting Quarter Wave Resonators”, in Proc. 22nd Linear Accelerator Conf. (LINAC'04), Lübeck, Germany, Aug. 2004, paper MOP92, pp. 234-236.
• I. Yonekawa, M. Shimono, T. Totsuka, and K. Yamagishi, “A New Workstation Based Man/Machine Interface System for the JT-60 Upgrade”, in Proc. 3rd International Conference on Accelerator and Large Experimental Physics Control Systems (ICALEPCS'91), Tsukuba, Japan, Nov. 1991, paper S13MMI10, pp. 483-486.
• P. Eyharts et al., “First Results on LELIA Induction Injector”, in Proc. 3rd European Particle Accelerator Conf. (EPAC'92), Berlin, Germany, Mar. 1992, pp. 512-515.
• E. Merle et al., “Status of the AIRIX Accelerator”, in Proc. 18th Particle Accelerator Conf. (PAC'99), New York, NY, USA, Mar. 1999, paper THP128, pp. 3260-3262.
• C. Bonnafond and D. Villate, “Alignment Techniques for the High Current AIRIX Accelerator”, in Proc. 18th Particle Accelerator Conf. (PAC'99), New York, NY, USA, Mar. 1999, paper TUA131, pp. 1381-1383.
• J. P. Hucka et al., “Control System Developments and Machine Model Benchmark for the GSI Fragment Separator FRS”, in Proc. 17th Int. Conf. on Accelerator and Large Experimental Physics Control Systems (ICALEPCS'19), New York, NY, USA, Oct. 2019, pp. 1254.
• C. Compton et al., “Construction of a 161 MHz, =0.16 Superconducting Quarter Wave Resonator with Steering Correction for RIA”, in Proc. 22nd Linear Accelerator Conf. (LINAC'04), Lübeck, Germany, Aug. 2004, paper THP13, pp. 626-626.
• Z. Y. Yao et al., “Tests of the Balloon Single Spoke Resonator”, in Proc. 29th Linear Accelerator Conf. (LINAC'18), Beijing, China, Sep. 2018, pp. 417-419.
• S. G. Seddon-Stettler, M. Liepe, T. E. Oseroff, N. Sitaraman, and Z. Sun, “Surface Characterization Studies of Gold-Plated Niobium”, in Proc. 21th Int. Conf. RF Superconductivity (SRF'23), Grand Rapids, MI, USA, Jun. 2023, paper MOPMB076, pp. 290-292.
• T. Fujisawa et al., “Design of the RF System of RIKEN SSC”, in Proc. 10th Int. Cyclotron Conf. and Their Applications (Cyclotrons'84), East Lansing, MI, USA, Apr.-May 1984, paper H04, pp. 311-314.
• A. E. Candel et al., “Parallel Higher-Order Finite Element Method for Accurate Field Computations in Wakefield and PIC Simulations”, in Proc. 9th Int. Computational Accelerator Physics Conf. (ICAP'06), Chamonix, Switzerland, Oct. 2006, paper WEMPMP03, pp. 176-181.
• D. Mihailescu Stoica, D. Domont-Yankulova, H. Klingbeil, and D. E. M. Lens, “Sensitivity Analysis of Feedforward Beam Current Compensation for Improved Beam Loading Robustness”, in Proc. 10th Int. Particle Accelerator Conf. (IPAC'19), Melbourne, Australia, May 2019, pp. 3850-3852.
• J. Bardy et al., “Design and Progress of the AIRIX Induction Accelerator”, in Proc. 15th Particle Accelerator Conf. (PAC'93), Washington D.C., USA, Mar. 1993, pp. 697-700.
• T. Yan, “Computation of Nonlinear One-Turn Maps from Measurement with Model-Independent Analysis”, in Proc. 18th Particle Accelerator Conf. (PAC'99), New York, NY, USA, Mar. 1999, paper WEDL4, pp. 363-365.
• N. S. Mirian, “Harmonic Generation in Two Orthogonal Undulators”, in Proc. 37th Int. Free Electron Laser Conf. (FEL'15), Daejeon, Korea, Aug. 2015, pp. 200-204.
• E. Merle et al., “Installation of the AIRIX Induction Accelerator”, in Proc. 19th Int. LINAC Conf. (LINAC'98), Chicago, IL, USA, Aug. 1998, paper TU4002, pp. 391-393.