[n] D. Tupa, R. L. York, D. R. Swenson, and R. Damjanovich, “Volume H- Ion Source Development at LAMPF”, in Proc. PAC'93, Washington D.C., USA, Mar. 1993, pp. 3175-3178.
%\cite{Tupa:PAC93} \bibitem{Tupa:PAC93} D. Tupa, R. L. York, D. R. Swenson, and R. Damjanovich, \textquotedblleft{Volume H<sup>-</sup> Ion Source Development at LAMPF}\textquotedblright, in \emph{Proc. PAC’93}, Washington D.C., USA, Mar. 1993, pp. 3175--3178.
@inproceedings{tupa:pac93, author = {D. Tupa and R. L. York and D. R. Swenson and R. Damjanovich}, title = {{Volume H<sup>-</sup> Ion Source Development at LAMPF}}, booktitle = {Proc. PAC'93}, pages = {3175--3178}, paper = {}, venue = {Washington D.C., USA, Mar. 1993}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }