[n] Y. Liu et al., “Initial Performance of a 6 GHz "Volume" ECR Ion Source”, in Proc. PAC'03, Portland, OR, USA, May 2003, paper MPPB085, pp. 998-1000.
%\cite{Liu:PAC03-MPPB085} \bibitem{Liu:PAC03-MPPB085} Y. Liu \emph{et al.}, \textquotedblleft{Initial Performance of a 6 GHz "Volume" ECR Ion Source}\textquotedblright, in \emph{Proc. PAC’03}, Portland, OR, USA, May 2003, paper MPPB085, pp. 998--1000.
@inproceedings{liu:pac03-mppb085, author = {Y. Liu and others}, title = {{Initial Performance of a 6 GHz "Volume" ECR Ion Source}}, booktitle = {Proc. PAC'03}, pages = {998--1000}, paper = {MPPB085}, venue = {Portland, OR, USA, May 2003}, publisher = {JACoW Publishing, Geneva, Switzerland}, url = {https://jacow.org/p03/papers/MPPB085.pdf}, language = {english} }