[n] W. Hassenzahl, “A Comparison of the Costs of Superconducting Accelerator Dipoles Using NbTi, NB 3Sn and NbTiTa”, in Proc. PAC'81, Washington D.C., USA, Mar. 1981, pp. 3277-3280.
%\cite{Hassenzahl:PAC81} \bibitem{Hassenzahl:PAC81} W. Hassenzahl, \textquotedblleft{A Comparison of the Costs of Superconducting Accelerator Dipoles Using NbTi, NB <sub>3<sub>Sn and NbTiTa}\textquotedblright, in \emph{Proc. PAC’81}, Washington D.C., USA, Mar. 1981, pp. 3277--3280.
@inproceedings{hassenzahl:pac81, author = {W. Hassenzahl}, title = {{A Comparison of the Costs of Superconducting Accelerator Dipoles Using NbTi, NB <sub>3<sub>Sn and NbTiTa}}, booktitle = {Proc. PAC'81}, pages = {3277--3280}, paper = {}, venue = {Washington D.C., USA, Mar. 1981}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }