[n] M. Endo et al., “Superconducting Quadrupole Magnet System for TRISTAN Mini-beta Insertions”, in Proc. PAC'91, San Francisco, CA, USA, May 1991, pp. 2257-2260.
%\cite{Endo:PAC91} \bibitem{Endo:PAC91} M. Endo \emph{et al.}, \textquotedblleft{Superconducting Quadrupole Magnet System for TRISTAN Mini-beta Insertions}\textquotedblright, in \emph{Proc. PAC’91}, San Francisco, CA, USA, May 1991, pp. 2257--2260.
@inproceedings{endo:pac91, author = {M. Endo and others}, title = {{Superconducting Quadrupole Magnet System for TRISTAN Mini-beta Insertions}}, booktitle = {Proc. PAC'91}, pages = {2257--2260}, paper = {}, venue = {San Francisco, CA, USA, May 1991}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }