[n] G. P. A. Berg et al., “Modes of Operation for the Cooler Ring COSY”, in Proc. Cyclotrons'84, East Lansing, MI, USA, Apr.-May 1984, paper O04, pp. 601-604.
%\cite{Berg:Cyclotrons84-O04} \bibitem{Berg:Cyclotrons84-O04} G. P. A. Berg \emph{et al.}, \textquotedblleft{Modes of Operation for the Cooler Ring COSY}\textquotedblright, in \emph{Proc. Cyclotrons’84}, East Lansing, MI, USA, Apr.-May 1984, paper O04, pp. 601--604.
@inproceedings{berg:cyclotrons84-o04, author = {G. P. A. Berg and others}, title = {{Modes of Operation for the Cooler Ring COSY}}, booktitle = {Proc. Cyclotrons'84}, pages = {601--604}, paper = {O04}, venue = {East Lansing, MI, USA, Apr.-May 1984}, publisher = {JACoW Publishing, Geneva, Switzerland}, url = {https://jacow.org/c84/papers/O04.pdf}, language = {english} }