[n] S. Herb, “Field Quality and Stability of Permanent Magnet Quadrupoles”, in Proc. PAC'85, Vancouver, Canada, May 1985, pp. 3578-3581.
%\cite{Herb:PAC85} \bibitem{Herb:PAC85} S. Herb, \textquotedblleft{Field Quality and Stability of Permanent Magnet Quadrupoles}\textquotedblright, in \emph{Proc. PAC’85}, Vancouver, Canada, May 1985, pp. 3578--3581.
@inproceedings{herb:pac85, author = {S. Herb}, title = {{Field Quality and Stability of Permanent Magnet Quadrupoles}}, booktitle = {Proc. PAC'85}, pages = {3578--3581}, paper = {}, venue = {Vancouver, Canada, May 1985}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }