[n] A. J. Dragt, “Exact Numerical Calculation of Chromaticity in Small Rings”, in Proc. PAC'81, Washington D.C., USA, Mar. 1981, pp. 2627-2630.
%\cite{Dragt:PAC81} \bibitem{Dragt:PAC81} A. J. Dragt, \textquotedblleft{Exact Numerical Calculation of Chromaticity in Small Rings}\textquotedblright, in \emph{Proc. PAC’81}, Washington D.C., USA, Mar. 1981, pp. 2627--2630.
@inproceedings{dragt:pac81, author = {A. J. Dragt}, title = {{Exact Numerical Calculation of Chromaticity in Small Rings}}, booktitle = {Proc. PAC'81}, pages = {2627--2630}, paper = {}, venue = {Washington D.C., USA, Mar. 1981}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }