[n] H.-D. Nuhn et al., “Design Considerations for a 60 Meter Pure Permanent Magnet Undulator for the SLAC Linac Coherent Light Source (LCLS)”, in Proc. PAC'93, Washington D.C., USA, Mar. 1993, pp. 1608-1611.
%\cite{H.-D:PAC93} \bibitem{H.-D:PAC93} H.-D. Nuhn \emph{et al.}, \textquotedblleft{Design Considerations for a 60 Meter Pure Permanent Magnet Undulator for the SLAC Linac Coherent Light Source (LCLS)}\textquotedblright, in \emph{Proc. PAC’93}, Washington D.C., USA, Mar. 1993, pp. 1608--1611.
@inproceedings{h.-d:pac93, author = {H.-D. Nuhn and others}, title = {{Design Considerations for a 60 Meter Pure Permanent Magnet Undulator for the SLAC Linac Coherent Light Source (LCLS)}}, booktitle = {Proc. PAC'93}, pages = {1608--1611}, paper = {}, venue = {Washington D.C., USA, Mar. 1993}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }