[n] I. A. Shelaev et al., “General Design Features of the Four-Meter Isochronous Cyclotron at Dubna with a Smoothly Variable Heavy Ion Energy”, in Proc. PAC'71, Chicago, IL, USA, Mar. 1971, pp. 332-335.
%\cite{Shelaev:PAC71} \bibitem{Shelaev:PAC71} I. A. Shelaev \emph{et al.}, \textquotedblleft{General Design Features of the Four-Meter Isochronous Cyclotron at Dubna with a Smoothly Variable Heavy Ion Energy}\textquotedblright, in \emph{Proc. PAC’71}, Chicago, IL, USA, Mar. 1971, pp. 332--335.
@inproceedings{shelaev:pac71, author = {I. A. Shelaev and others}, title = {{General Design Features of the Four-Meter Isochronous Cyclotron at Dubna with a Smoothly Variable Heavy Ion Energy}}, booktitle = {Proc. PAC'71}, pages = {332--335}, paper = {}, venue = {Chicago, IL, USA}, series = {Particle Accelerator Conference}, number = {4}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {6}, year = {1971}, language = {english} }