[n] N. Ziegler, “An Improved Van de Graaff Belt Charge Regulator”, in Proc. PAC'75, Washington D.C., USA, Mar. 1975, pp. 1730-1732.
%\cite{Ziegler:PAC75} \bibitem{Ziegler:PAC75} N. Ziegler, \textquotedblleft{An Improved Van de Graaff Belt Charge Regulator}\textquotedblright, in \emph{Proc. PAC’75}, Washington D.C., USA, Mar. 1975, pp. 1730--1732.
@inproceedings{ziegler:pac75, author = {N. Ziegler}, title = {{An Improved Van de Graaff Belt Charge Regulator}}, booktitle = {Proc. PAC'75}, pages = {1730--1732}, paper = {}, venue = {Washington D.C., USA, Mar. 1975}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }