[n] M. L. Lopes et al., “Magnetic Design Constraints of Helical Solenoids”, in Proc. IPAC'14, Dresden, Germany, Jun. 2014, pp. 2731-2733. doi:10.18429/JACoW-IPAC2014-WEPRI100
%\cite{Lopes:IPAC14-WEPRI100} \bibitem{Lopes:IPAC14-WEPRI100} M. L. Lopes \emph{et al.}, \textquotedblleft{Magnetic Design Constraints of Helical Solenoids}\textquotedblright, in \emph{Proc. IPAC’14}, Dresden, Germany, Jun. 2014, pp. 2731--2733. \url{doi:10.18429/JACoW-IPAC2014-WEPRI100}
@inproceedings{lopes:ipac14-wepri100, author = {M. L. Lopes and others}, title = {{Magnetic Design Constraints of Helical Solenoids}}, booktitle = {Proc. IPAC'14}, pages = {2731--2733}, paper = {WEPRI100}, venue = {Dresden, Germany, Jun. 2014}, publisher = {JACoW Publishing, Geneva, Switzerland}, doi = {10.18429/JACoW-IPAC2014-WEPRI100}, url = {https://jacow.org/IPAC2014/papers/WEPRI100.pdf}, language = {english} }