[n] D. Li et al., “Smith-Purcell Radiation with Negative-index Material”, in Proc. FEL'11, Shanghai, China, Aug. 2011, paper MOPB05, pp. 20-23.
%\cite{Li:FEL11-MOPB05} \bibitem{Li:FEL11-MOPB05} D. Li \emph{et al.}, \textquotedblleft{Smith-Purcell Radiation with Negative-index Material}\textquotedblright, in \emph{Proc. FEL’11}, Shanghai, China, Aug. 2011, paper MOPB05, pp. 20--23.
@inproceedings{li:fel11-mopb05, author = {D. Li and others}, title = {{Smith-Purcell Radiation with Negative-index Material}}, booktitle = {Proc. FEL'11}, pages = {20--23}, paper = {MOPB05}, venue = {Shanghai, China, Aug. 2011}, publisher = {JACoW Publishing, Geneva, Switzerland}, url = {https://jacow.org/FEL2011/papers/MOPB05.pdf}, language = {english} }