[n] Detlef Swoboda, “The New Vacuum Control System for the SPS”, in Proc. PAC'91, San Francisco, CA, USA, May 1991, pp. 1516-1519.
%\cite{Detlef Swoboda:PAC91} \bibitem{Detlef Swoboda:PAC91} Detlef Swoboda, \textquotedblleft{The New Vacuum Control System for the SPS}\textquotedblright, in \emph{Proc. PAC’91}, San Francisco, CA, USA, May 1991, pp. 1516--1519.
@inproceedings{detlef swoboda:pac91, author = {Detlef Swoboda}, title = {{The New Vacuum Control System for the SPS}}, booktitle = {Proc. PAC'91}, pages = {1516--1519}, paper = {}, venue = {San Francisco, CA, USA, May 1991}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }