[n] F. Christoph Iselin, “Improvements in MAD in view of LHC Design”, in Proc. PAC'91, San Francisco, CA, USA, May 1991, pp. 327-330.
%\cite{Christoph Iselin:PAC91} \bibitem{Christoph Iselin:PAC91} F. Christoph Iselin, \textquotedblleft{Improvements in MAD in view of LHC Design}\textquotedblright, in \emph{Proc. PAC’91}, San Francisco, CA, USA, May 1991, pp. 327--330.
@inproceedings{christoph iselin:pac91, author = {F. Christoph Iselin}, title = {{Improvements in MAD in view of LHC Design}}, booktitle = {Proc. PAC'91}, pages = {327--330}, paper = {}, venue = {San Francisco, CA, USA, May 1991}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }