[n] J. M. Ortega, “Single-pass FELs”, in Proc. EPAC'90, Nice, France, Jun. 1990, pp. 115-119.
%\cite{Ortega:EPAC90} \bibitem{Ortega:EPAC90} J. M. Ortega, \textquotedblleft{Single-pass FELs}\textquotedblright, in \emph{Proc. EPAC’90}, Nice, France, Jun. 1990, pp. 115--119.
@inproceedings{ortega:epac90, author = {J. M. Ortega}, title = {{Single-pass FELs}}, booktitle = {Proc. EPAC'90}, pages = {115--119}, paper = {}, venue = {Nice, France, Jun. 1990}, series = {European Particle Accelerator Conference}, number = {2}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }