[n] W. M. Visscher, “Optimization of Magnetic Lenses for Waveguide Portion of a Proton Linac”, in Proc. PAC'65, Washington D.C., USA, Mar. 1965, pp. 617-623.
%\cite{Visscher:PAC65} \bibitem{Visscher:PAC65} W. M. Visscher, \textquotedblleft{Optimization of Magnetic Lenses for Waveguide Portion of a Proton Linac}\textquotedblright, in \emph{Proc. PAC’65}, Washington D.C., USA, Mar. 1965, pp. 617--623.
@inproceedings{visscher:pac65, author = {W. M. Visscher}, title = {{Optimization of Magnetic Lenses for Waveguide Portion of a Proton Linac}}, booktitle = {Proc. PAC'65}, pages = {617--623}, paper = {}, venue = {Washington D.C., USA}, series = {Particle Accelerator Conference}, number = {1}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {6}, year = {1965}, language = {english} }