[n] D. A. Herrup et al., “Early Operating Experience with the New TEVATRON Low-beta Insertion”, in Proc. PAC'91, San Francisco, CA, USA, May 1991, pp. 87-90.
%\cite{Herrup:PAC91} \bibitem{Herrup:PAC91} D. A. Herrup \emph{et al.}, \textquotedblleft{Early Operating Experience with the New TEVATRON Low-beta Insertion}\textquotedblright, in \emph{Proc. PAC’91}, San Francisco, CA, USA, May 1991, pp. 87--90.
@inproceedings{herrup:pac91, author = {D. A. Herrup and others}, title = {{Early Operating Experience with the New TEVATRON Low-beta Insertion}}, booktitle = {Proc. PAC'91}, pages = {87--90}, paper = {}, venue = {San Francisco, CA, USA, May 1991}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }