[n] R. H. Helm, “Modeling of Horizontal Wiggler in an Electron Storage Ring”, in Proc. PAC'79, San Francisco, CA, USA, Mar. 1979, pp. 3824-3827.
%\cite{Helm:PAC79} \bibitem{Helm:PAC79} R. H. Helm, \textquotedblleft{Modeling of Horizontal Wiggler in an Electron Storage Ring}\textquotedblright, in \emph{Proc. PAC’79}, San Francisco, CA, USA, Mar. 1979, pp. 3824--3827.
@inproceedings{helm:pac79, author = {R. H. Helm}, title = {{Modeling of Horizontal Wiggler in an Electron Storage Ring}}, booktitle = {Proc. PAC'79}, pages = {3824--3827}, paper = {}, venue = {San Francisco, CA, USA, Mar. 1979}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }