[n] A. N. Didenko et al., “Free Electron Lasers based on High Current Electron Beam”, in Proc. PAC'81, Washington D.C., USA, Mar. 1981, pp. 3169-3172.
%\cite{Didenko:PAC81} \bibitem{Didenko:PAC81} A. N. Didenko \emph{et al.}, \textquotedblleft{Free Electron Lasers based on High Current Electron Beam}\textquotedblright, in \emph{Proc. PAC’81}, Washington D.C., USA, Mar. 1981, pp. 3169--3172.
@inproceedings{didenko:pac81, author = {A. N. Didenko and others}, title = {{Free Electron Lasers based on High Current Electron Beam}}, booktitle = {Proc. PAC'81}, pages = {3169--3172}, paper = {}, venue = {Washington D.C., USA, Mar. 1981}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }