[n] F. H. Schmidt, “External Beam Focusing System”, in Proc. Cyclotrons'59, Oak Ridge, TN, USA, Jul. 1959, paper CYC59F02, pp. 257-261.
%\cite{Schmidt:Cyclotrons59-CYC59F02} \bibitem{Schmidt:Cyclotrons59-CYC59F02} F. H. Schmidt, \textquotedblleft{External Beam Focusing System}\textquotedblright, in \emph{Proc. Cyclotrons’59}, Oak Ridge, TN, USA, Jul. 1959, paper CYC59F02, pp. 257--261.
@inproceedings{schmidt:cyclotrons59-cyc59f02, author = {F. H. Schmidt}, title = {{External Beam Focusing System}}, booktitle = {Proc. Cyclotrons'59}, pages = {257--261}, paper = {CYC59F02}, venue = {Oak Ridge, TN, USA, Jul. 1959}, publisher = {JACoW Publishing, Geneva, Switzerland}, url = {https://jacow.org/c59/papers/CYC59F02.pdf}, language = {english} }