[n] R. S. Ahlman et al., “Process Control System for the Tevatron Liquefier”, in Proc. PAC'79, San Francisco, CA, USA, Mar. 1979, pp. 4099-4102.
%\cite{Ahlman:PAC79} \bibitem{Ahlman:PAC79} R. S. Ahlman \emph{et al.}, \textquotedblleft{Process Control System for the Tevatron Liquefier}\textquotedblright, in \emph{Proc. PAC’79}, San Francisco, CA, USA, Mar. 1979, pp. 4099--4102.
@inproceedings{ahlman:pac79, author = {R. S. Ahlman and others}, title = {{Process Control System for the Tevatron Liquefier}}, booktitle = {Proc. PAC'79}, pages = {4099--4102}, paper = {}, venue = {San Francisco, CA, USA, Mar. 1979}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }