[n] G. D. Alton, “Design Aspects for a Pulsed-mode, High-intensity, Heavy Negative Ion Source”, in Proc. PAC'91, San Francisco, CA, USA, May 1991, pp. 1937-1940.
%\cite{Alton:PAC91} \bibitem{Alton:PAC91} G. D. Alton, \textquotedblleft{Design Aspects for a Pulsed-mode, High-intensity, Heavy Negative Ion Source}\textquotedblright, in \emph{Proc. PAC’91}, San Francisco, CA, USA, May 1991, pp. 1937--1940.
@inproceedings{alton:pac91, author = {G. D. Alton}, title = {{Design Aspects for a Pulsed-mode, High-intensity, Heavy Negative Ion Source}}, booktitle = {Proc. PAC'91}, pages = {1937--1940}, paper = {}, venue = {San Francisco, CA, USA, May 1991}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }