[n] W. Barry and G. R. Lambertson, “Peturbation Method for the Measurement of Longitudinal and Transverse Beam Impedance”, in Proc. PAC'87, Washington D.C., USA, Mar. 1987, pp. 1602-1605.
%\cite{Barry:PAC87} \bibitem{Barry:PAC87} W. Barry and G. R. Lambertson, \textquotedblleft{Peturbation Method for the Measurement of Longitudinal and Transverse Beam Impedance}\textquotedblright, in \emph{Proc. PAC’87}, Washington D.C., USA, Mar. 1987, pp. 1602--1605.
@inproceedings{barry:pac87, author = {W. Barry and G. R. Lambertson}, title = {{Peturbation Method for the Measurement of Longitudinal and Transverse Beam Impedance}}, booktitle = {Proc. PAC'87}, pages = {1602--1605}, paper = {}, venue = {Washington D.C., USA, Mar. 1987}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }