[n] A. Hofmann, “Beam Instabilities Observed at the CEA”, in Proc. PAC'71, Chicago, IL, USA, Mar. 1971, pp. 1035-1039.
%\cite{Hofmann:PAC71} \bibitem{Hofmann:PAC71} A. Hofmann, \textquotedblleft{Beam Instabilities Observed at the CEA}\textquotedblright, in \emph{Proc. PAC’71}, Chicago, IL, USA, Mar. 1971, pp. 1035--1039.
@inproceedings{hofmann:pac71, author = {A. Hofmann}, title = {{Beam Instabilities Observed at the CEA}}, booktitle = {Proc. PAC'71}, pages = {1035--1039}, paper = {}, venue = {Chicago, IL, USA}, series = {Particle Accelerator Conference}, number = {4}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {6}, year = {1971}, language = {english} }