[n] K. Ko et al., “Flower-Petal Mode Converter for NLC”, in Proc. PAC'93, Washington D.C., USA, Mar. 1993, pp. 1121-1124.
%\cite{Ko:PAC93} \bibitem{Ko:PAC93} K. Ko \emph{et al.}, \textquotedblleft{Flower-Petal Mode Converter for NLC}\textquotedblright, in \emph{Proc. PAC’93}, Washington D.C., USA, Mar. 1993, pp. 1121--1124.
@inproceedings{ko:pac93, author = {K. Ko and others}, title = {{Flower-Petal Mode Converter for NLC}}, booktitle = {Proc. PAC'93}, pages = {1121--1124}, paper = {}, venue = {Washington D.C., USA, Mar. 1993}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }