[n] W. Herr, “Tune Spreads and Shifts Due to the Long Range Beam-Beam Effect in the LHC”, in Proc. EPAC'90, Nice, France, Jun. 1990, pp. 1630-1633.
%\cite{Herr:EPAC90} \bibitem{Herr:EPAC90} W. Herr, \textquotedblleft{Tune Spreads and Shifts Due to the Long Range Beam-Beam Effect in the LHC}\textquotedblright, in \emph{Proc. EPAC’90}, Nice, France, Jun. 1990, pp. 1630--1633.
@inproceedings{herr:epac90, author = {W. Herr}, title = {{Tune Spreads and Shifts Due to the Long Range Beam-Beam Effect in the LHC}}, booktitle = {Proc. EPAC'90}, pages = {1630--1633}, paper = {}, venue = {Nice, France, Jun. 1990}, series = {European Particle Accelerator Conference}, number = {2}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }