[n] N. Marquardt, “DELTA, a Low-Emittance Storage Ring as Free-Electron-Laser Radiation Source”, in Proc. PAC'89, Chicago, IL, USA, Mar. 1989, pp. 780-783.
%\cite{Marquardt:PAC89} \bibitem{Marquardt:PAC89} N. Marquardt, \textquotedblleft{DELTA, a Low-Emittance Storage Ring as Free-Electron-Laser Radiation Source}\textquotedblright, in \emph{Proc. PAC’89}, Chicago, IL, USA, Mar. 1989, pp. 780--783.
@inproceedings{marquardt:pac89, author = {N. Marquardt}, title = {{DELTA, a Low-Emittance Storage Ring as Free-Electron-Laser Radiation Source}}, booktitle = {Proc. PAC'89}, pages = {780--783}, paper = {}, venue = {Chicago, IL, USA, Mar. 1989}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }