[n] J. S. Wurtele, D. H. Whittum, and X. T. Yu, “Impedance Formalism for an Arbitrary Cumulative Instability”, in Proc. PAC'93, Washington D.C., USA, Mar. 1993, pp. 3399-3402.
%\cite{Wurtele:PAC93} \bibitem{Wurtele:PAC93} J. S. Wurtele, D. H. Whittum, and X. T. Yu, \textquotedblleft{Impedance Formalism for an Arbitrary Cumulative Instability}\textquotedblright, in \emph{Proc. PAC’93}, Washington D.C., USA, Mar. 1993, pp. 3399--3402.
@inproceedings{wurtele:pac93, author = {J. S. Wurtele and D. H. Whittum and X. T. Yu}, title = {{Impedance Formalism for an Arbitrary Cumulative Instability}}, booktitle = {Proc. PAC'93}, pages = {3399--3402}, paper = {}, venue = {Washington D.C., USA, Mar. 1993}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }