The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Penn:FEL2017-WEP074}
\bibitem{Penn:FEL2017-WEP074}
G. Penn,
\textquotedblleft{Simulations of the Dependence of Harmonic Radiation on Undulator Parameters}\textquotedblright,
in \emph{Proc. FEL2017}, \url{https://doi.org/10.18429/JACoW-FEL2017-WEP074}, 2018.
% in \emph{Proc. FEL2017}, \url{https://doi.org/10.18429/JACoW-FEL2017-WEP074}, pp. 560--562.
% in \emph{Proc. FEL2017}, Santa Fe, NM, USA, Aug. 2017, paper WEP074, \url{https://doi.org/10.18429/JACoW-FEL2017-WEP074}
% in \emph{Proc. 38th Int. Free Electron Laser Conf. (FEL'17)},
% Santa Fe, NM, USA, Aug. 2017, paper WEP074, pp. 560--562,
% ISBN: 978-3-95450-179-3,
% \url{http://jacow.org/fel2017/papers/wep074.pdf},
% \url{https://doi.org/10.18429/JACoW-FEL2017-WEP074}, 2018.