[n] U. Hahn et al., “The Vacuum Chambers for the VUV SAS FEL at the TESLA Test Facility (TTF FEL) at DESY”, in Proc. PAC'99, New York, NY, USA, Mar. 1999, paper TUA126, pp. 1369-1371.
%\cite{Hahn:PAC99-TUA126} \bibitem{Hahn:PAC99-TUA126} U. Hahn \emph{et al.}, \textquotedblleft{The Vacuum Chambers for the VUV SAS FEL at the TESLA Test Facility (TTF FEL) at DESY}\textquotedblright, in \emph{Proc. PAC’99}, New York, NY, USA, Mar. 1999, paper TUA126, pp. 1369--1371.
@inproceedings{hahn:pac99-tua126, author = {U. Hahn and others}, title = {{The Vacuum Chambers for the VUV SAS FEL at the TESLA Test Facility (TTF FEL) at DESY}}, booktitle = {Proc. PAC'99}, pages = {1369--1371}, paper = {TUA126}, venue = {New York, NY, USA, Mar. 1999}, publisher = {JACoW Publishing, Geneva, Switzerland}, url = {https://jacow.org/p99/papers/TUA126.pdf}, language = {english} }