[n] R. E. Timm, “Control of Ion Sources for the Zero Gradient Synchrotron (ZGS)”, in Proc. PAC'73, San Francisco, CA, USA, Mar. 1973, pp. 613-616.
%\cite{Timm:PAC73} \bibitem{Timm:PAC73} R. E. Timm, \textquotedblleft{Control of Ion Sources for the Zero Gradient Synchrotron (ZGS)}\textquotedblright, in \emph{Proc. PAC’73}, San Francisco, CA, USA, Mar. 1973, pp. 613--616.
@inproceedings{timm:pac73, author = {R. E. Timm}, title = {{Control of Ion Sources for the Zero Gradient Synchrotron (ZGS)}}, booktitle = {Proc. PAC'73}, pages = {613--616}, paper = {}, venue = {San Francisco, CA, USA}, series = {Particle Accelerator Conference}, number = {5}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {6}, year = {1973}, language = {english} }