[n] L. Schulz, H. Lehr, and E. Weihreter, “Beam Lifetime Investigations at BESSY”, in Proc. PAC'91, San Francisco, CA, USA, May 1991, pp. 2685-2688.
%\cite{Schulz:PAC91} \bibitem{Schulz:PAC91} L. Schulz, H. Lehr, and E. Weihreter, \textquotedblleft{Beam Lifetime Investigations at BESSY}\textquotedblright, in \emph{Proc. PAC’91}, San Francisco, CA, USA, May 1991, pp. 2685--2688.
@inproceedings{schulz:pac91, author = {L. Schulz and H. Lehr and E. Weihreter}, title = {{Beam Lifetime Investigations at BESSY}}, booktitle = {Proc. PAC'91}, pages = {2685--2688}, paper = {}, venue = {San Francisco, CA, USA, May 1991}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }