[n] C. Carey, “The WKB Approximation and the Travelling-Wave Acceleration Cavity”, in Proc. PAC'91, San Francisco, CA, USA, May 1991, pp. 1618-1621.
%\cite{Carey:PAC91} \bibitem{Carey:PAC91} C. Carey, \textquotedblleft{The WKB Approximation and the Travelling-Wave Acceleration Cavity}\textquotedblright, in \emph{Proc. PAC’91}, San Francisco, CA, USA, May 1991, pp. 1618--1621.
@inproceedings{carey:pac91, author = {C. Carey}, title = {{The WKB Approximation and the Travelling-Wave Acceleration Cavity}}, booktitle = {Proc. PAC'91}, pages = {1618--1621}, paper = {}, venue = {San Francisco, CA, USA, May 1991}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }