[n] E. Ciapala et al., “Longitudinal Feedback in LEP”, in Proc. PAC'93, Washington D.C., USA, Mar. 1993, pp. 2358-2361.
%\cite{Ciapala:PAC93} \bibitem{Ciapala:PAC93} E. Ciapala \emph{et al.}, \textquotedblleft{Longitudinal Feedback in LEP}\textquotedblright, in \emph{Proc. PAC’93}, Washington D.C., USA, Mar. 1993, pp. 2358--2361.
@inproceedings{ciapala:pac93, author = {E. Ciapala and others}, title = {{Longitudinal Feedback in LEP}}, booktitle = {Proc. PAC'93}, pages = {2358--2361}, paper = {}, venue = {Washington D.C., USA, Mar. 1993}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }