[n] S. Khan et al., “Layout of a Femtosecond X-Ray Source at BESSY II”, in Proc. PAC'03, Portland, OR, USA, May 2003, paper MPPB005, pp. 836-838.
%\cite{Khan:PAC03-MPPB005} \bibitem{Khan:PAC03-MPPB005} S. Khan \emph{et al.}, \textquotedblleft{Layout of a Femtosecond X-Ray Source at BESSY II}\textquotedblright, in \emph{Proc. PAC’03}, Portland, OR, USA, May 2003, paper MPPB005, pp. 836--838.
@inproceedings{khan:pac03-mppb005, author = {S. Khan and others}, title = {{Layout of a Femtosecond X-Ray Source at BESSY II}}, booktitle = {Proc. PAC'03}, pages = {836--838}, paper = {MPPB005}, venue = {Portland, OR, USA, May 2003}, publisher = {JACoW Publishing, Geneva, Switzerland}, url = {https://jacow.org/p03/papers/MPPB005.pdf}, language = {english} }