[n] S. G. Tantawi, “Mode Selective Directional Coupler for NLC”, in Proc. PAC'93, Washington D.C., USA, Mar. 1993, pp. 1130-1133.
%\cite{Tantawi:PAC93} \bibitem{Tantawi:PAC93} S. G. Tantawi, \textquotedblleft{Mode Selective Directional Coupler for NLC}\textquotedblright, in \emph{Proc. PAC’93}, Washington D.C., USA, Mar. 1993, pp. 1130--1133.
@inproceedings{tantawi:pac93, author = {S. G. Tantawi}, title = {{Mode Selective Directional Coupler for NLC}}, booktitle = {Proc. PAC'93}, pages = {1130--1133}, paper = {}, venue = {Washington D.C., USA, Mar. 1993}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }