[n] L. K. Len et al., “The NRL Modified Betatron Accelerator”, in Proc. EPAC'90, Nice, France, Jun. 1990, pp. 446-449.
%\cite{Len:EPAC90} \bibitem{Len:EPAC90} L. K. Len \emph{et al.}, \textquotedblleft{The NRL Modified Betatron Accelerator}\textquotedblright, in \emph{Proc. EPAC’90}, Nice, France, Jun. 1990, pp. 446--449.
@inproceedings{len:epac90, author = {L. K. Len and others}, title = {{The NRL Modified Betatron Accelerator}}, booktitle = {Proc. EPAC'90}, pages = {446--449}, paper = {}, venue = {Nice, France, Jun. 1990}, series = {European Particle Accelerator Conference}, number = {2}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }