[n] C. Pellegrini, “Invited Paper- The Free Electron Laser and its Possible Developments”, in Proc. PAC'79, San Francisco, CA, USA, Mar. 1979, pp. 3791-3798.
%\cite{Pellegrini:PAC79} \bibitem{Pellegrini:PAC79} C. Pellegrini, \textquotedblleft{Invited Paper- The Free Electron Laser and its Possible Developments}\textquotedblright, in \emph{Proc. PAC’79}, San Francisco, CA, USA, Mar. 1979, pp. 3791--3798.
@inproceedings{pellegrini:pac79, author = {C. Pellegrini}, title = {{Invited Paper- The Free Electron Laser and its Possible Developments}}, booktitle = {Proc. PAC'79}, pages = {3791--3798}, paper = {}, venue = {San Francisco, CA, USA, Mar. 1979}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }