[n] R. Assmann et al., “Progress toward E-157: A 1 GeV Plasma Wakefield Accelerator”, in Proc. PAC'99, New York, NY, USA, Mar. 1999, paper WEBL6, pp. 330-332.
%\cite{Assmann:PAC99-WEBL6} \bibitem{Assmann:PAC99-WEBL6} R. Assmann \emph{et al.}, \textquotedblleft{Progress toward E-157: A 1 GeV Plasma Wakefield Accelerator}\textquotedblright, in \emph{Proc. PAC’99}, New York, NY, USA, Mar. 1999, paper WEBL6, pp. 330--332.
@inproceedings{assmann:pac99-webl6, author = {R. Assmann and others}, title = {{Progress toward E-157: A 1 GeV Plasma Wakefield Accelerator}}, booktitle = {Proc. PAC'99}, pages = {330--332}, paper = {WEBL6}, venue = {New York, NY, USA, Mar. 1999}, publisher = {JACoW Publishing, Geneva, Switzerland}, url = {https://jacow.org/p99/papers/WEBL6.pdf}, language = {english} }