[n] K. Hirata and E. Keil, “Barycentre Motion of Beams due to Beam-Beam Interaction in Asymmetric Ring Colliders”, in Proc. EPAC'90, Nice, France, Jun. 1990, pp. 1644-1647.
%\cite{Hirata:EPAC90} \bibitem{Hirata:EPAC90} K. Hirata and E. Keil, \textquotedblleft{Barycentre Motion of Beams due to Beam-Beam Interaction in Asymmetric Ring Colliders}\textquotedblright, in \emph{Proc. EPAC’90}, Nice, France, Jun. 1990, pp. 1644--1647.
@inproceedings{hirata:epac90, author = {K. Hirata and E. Keil}, title = {{Barycentre Motion of Beams due to Beam-Beam Interaction in Asymmetric Ring Colliders}}, booktitle = {Proc. EPAC'90}, pages = {1644--1647}, paper = {}, venue = {Nice, France, Jun. 1990}, series = {European Particle Accelerator Conference}, number = {2}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }