[n] R. A. Andrews et al., “Helium Refrigeration System and Cryogenic System for Superconducting Switchyard Magnets at Fermilab”, in Proc. PAC'79, San Francisco, CA, USA, Mar. 1979, pp. 4093-4096.
%\cite{Andrews:PAC79} \bibitem{Andrews:PAC79} R. A. Andrews \emph{et al.}, \textquotedblleft{Helium Refrigeration System and Cryogenic System for Superconducting Switchyard Magnets at Fermilab}\textquotedblright, in \emph{Proc. PAC’79}, San Francisco, CA, USA, Mar. 1979, pp. 4093--4096.
@inproceedings{andrews:pac79, author = {R. A. Andrews and others}, title = {{Helium Refrigeration System and Cryogenic System for Superconducting Switchyard Magnets at Fermilab}}, booktitle = {Proc. PAC'79}, pages = {4093--4096}, paper = {}, venue = {San Francisco, CA, USA, Mar. 1979}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }