[n] B. Berkes and D. Brombach, “Magnet System of the SIN Ring Injector Cyclotron”, in Proc. Cyclotrons'75, Zurich, Switzerland, Aug. 1975, paper C-13, pp. 191-192.
%\cite{Berkes:Cyclotrons75-C-13} \bibitem{Berkes:Cyclotrons75-C-13} B. Berkes and D. Brombach, \textquotedblleft{Magnet System of the SIN Ring Injector Cyclotron}\textquotedblright, in \emph{Proc. Cyclotrons’75}, Zurich, Switzerland, Aug. 1975, paper C--13, pp. 191--192.
@inproceedings{berkes:cyclotrons75-c-13, author = {B. Berkes and D. Brombach}, title = {{Magnet System of the SIN Ring Injector Cyclotron}}, booktitle = {Proc. Cyclotrons'75}, pages = {191--192}, paper = {C-13}, venue = {Zurich, Switzerland, Aug. 1975}, publisher = {JACoW Publishing, Geneva, Switzerland}, url = {https://jacow.org/c75/papers/C-13.pdf}, language = {english} }