[n] R. J. Yarema and R. L. Cassel, “NAL Quadrupole Power Supply Active Filter”, in Proc. PAC'73, San Francisco, CA, USA, Mar. 1973, pp. 414-416.
%\cite{Yarema:PAC73} \bibitem{Yarema:PAC73} R. J. Yarema and R. L. Cassel, \textquotedblleft{NAL Quadrupole Power Supply Active Filter}\textquotedblright, in \emph{Proc. PAC’73}, San Francisco, CA, USA, Mar. 1973, pp. 414--416.
@inproceedings{yarema:pac73, author = {R. J. Yarema and R. L. Cassel}, title = {{NAL Quadrupole Power Supply Active Filter}}, booktitle = {Proc. PAC'73}, pages = {414--416}, paper = {}, venue = {San Francisco, CA, USA}, series = {Particle Accelerator Conference}, number = {5}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {6}, year = {1973}, language = {english} }