[n] P. Arndt, W. Jenter, and H.-E. Mahnke, “A Penning Ion Source in a 7-mV Van de Graaff”, in Proc. PAC'75, Washington D.C., USA, Mar. 1975, pp. 1715-1718.
%\cite{Arndt:PAC75} \bibitem{Arndt:PAC75} P. Arndt, W. Jenter, and H.-E. Mahnke, \textquotedblleft{A Penning Ion Source in a 7-mV Van de Graaff}\textquotedblright, in \emph{Proc. PAC’75}, Washington D.C., USA, Mar. 1975, pp. 1715--1718.
@inproceedings{arndt:pac75, author = {P. Arndt and W. Jenter and H.-E. Mahnke}, title = {{A Penning Ion Source in a 7-mV Van de Graaff}}, booktitle = {Proc. PAC'75}, pages = {1715--1718}, paper = {}, venue = {Washington D.C., USA, Mar. 1975}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }