[n] R. Keller, “New Developments with a High-Current Ion Source”, in Proc. PAC'87, Washington D.C., USA, Mar. 1987, pp. 382-385.
%\cite{Keller:PAC87} \bibitem{Keller:PAC87} R. Keller, \textquotedblleft{New Developments with a High-Current Ion Source}\textquotedblright, in \emph{Proc. PAC’87}, Washington D.C., USA, Mar. 1987, pp. 382--385.
@inproceedings{keller:pac87, author = {R. Keller}, title = {{New Developments with a High-Current Ion Source}}, booktitle = {Proc. PAC'87}, pages = {382--385}, paper = {}, venue = {Washington D.C., USA, Mar. 1987}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }