[n] H. J. Qian and E. Vogel, “Overview of CW RF Guns for Short Wavelength FELs”, in Proc. FEL'19, Hamburg, Germany, Aug. 2019, pp. 290-296. doi:10.18429/JACoW-FEL2019-WEA01
%\cite{Qian:FEL19-WEA01} \bibitem{Qian:FEL19-WEA01} H. J. Qian and E. Vogel, \textquotedblleft{Overview of CW RF Guns for Short Wavelength FELs}\textquotedblright, in \emph{Proc. FEL’19}, Hamburg, Germany, Aug. 2019, pp. 290--296. \url{doi:10.18429/JACoW-FEL2019-WEA01}
@inproceedings{qian:fel19-wea01, author = {H. J. Qian and E. Vogel}, title = {{Overview of CW RF Guns for Short Wavelength FELs}}, booktitle = {Proc. FEL'19}, pages = {290--296}, paper = {WEA01}, venue = {Hamburg, Germany, Aug. 2019}, publisher = {JACoW Publishing, Geneva, Switzerland}, doi = {10.18429/JACoW-FEL2019-WEA01}, url = {https://jacow.org/fel2019/papers/WEA01.pdf}, language = {english} }