[n] C. R. Hoffmann, “Extraction System for the Chalk River Superconducting Heavy-Ion Cyclotron”, in Proc. PAC'77, Chicago, IL, USA, Mar. 1977, pp. 1470-1473.
%\cite{Hoffmann:PAC77} \bibitem{Hoffmann:PAC77} C. R. Hoffmann, \textquotedblleft{Extraction System for the Chalk River Superconducting Heavy-Ion Cyclotron}\textquotedblright, in \emph{Proc. PAC’77}, Chicago, IL, USA, Mar. 1977, pp. 1470--1473.
@inproceedings{hoffmann:pac77, author = {C. R. Hoffmann}, title = {{Extraction System for the Chalk River Superconducting Heavy-Ion Cyclotron}}, booktitle = {Proc. PAC'77}, pages = {1470--1473}, paper = {}, venue = {Chicago, IL, USA, Mar. 1977}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }