[n] S. Chen and G. Lopez, “Tune Shift Effect Due to the Sextupole Longitudinal Periodic Structure in the Superconducting Dipole Magnets”, in Proc. PAC'93, Washington D.C., USA, Mar. 1993, pp. 200-203.
%\cite{Chen:PAC93} \bibitem{Chen:PAC93} S. Chen and G. Lopez, \textquotedblleft{Tune Shift Effect Due to the Sextupole Longitudinal Periodic Structure in the Superconducting Dipole Magnets}\textquotedblright, in \emph{Proc. PAC’93}, Washington D.C., USA, Mar. 1993, pp. 200--203.
@inproceedings{chen:pac93, author = {S. Chen and G. Lopez}, title = {{Tune Shift Effect Due to the Sextupole Longitudinal Periodic Structure in the Superconducting Dipole Magnets}}, booktitle = {Proc. PAC'93}, pages = {200--203}, paper = {}, venue = {Washington D.C., USA, Mar. 1993}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }