[n] J. Irwin and Y. T. Yan, “Prediction of Long-Term Beam Stability Using High Order Torroidal Invariants”, in Proc. PAC'89, Chicago, IL, USA, Mar. 1989, pp. 1340-1343.
%\cite{Irwin:PAC89} \bibitem{Irwin:PAC89} J. Irwin and Y. T. Yan, \textquotedblleft{Prediction of Long-Term Beam Stability Using High Order Torroidal Invariants}\textquotedblright, in \emph{Proc. PAC’89}, Chicago, IL, USA, Mar. 1989, pp. 1340--1343.
@inproceedings{irwin:pac89, author = {J. Irwin and Y. T. Yan}, title = {{Prediction of Long-Term Beam Stability Using High Order Torroidal Invariants}}, booktitle = {Proc. PAC'89}, pages = {1340--1343}, paper = {}, venue = {Chicago, IL, USA, Mar. 1989}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }