[n] W. Brefeld, R. Brinkmann, and J. Rossbach, “Low Emittance Optic for PETRA II”, in Proc. PAC'87, Washington D.C., USA, Mar. 1987, pp. 166-169.
%\cite{Brefeld:PAC87} \bibitem{Brefeld:PAC87} W. Brefeld, R. Brinkmann, and J. Rossbach, \textquotedblleft{Low Emittance Optic for PETRA II}\textquotedblright, in \emph{Proc. PAC’87}, Washington D.C., USA, Mar. 1987, pp. 166--169.
@inproceedings{brefeld:pac87, author = {W. Brefeld and R. Brinkmann and J. Rossbach}, title = {{Low Emittance Optic for PETRA II}}, booktitle = {Proc. PAC'87}, pages = {166--169}, paper = {}, venue = {Washington D.C., USA, Mar. 1987}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }