 
The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Mun:Cyclotrons2016-MOP20}
\bibitem{Mun:Cyclotrons2016-MOP20}
   S.C. Mun, J.-S. Chai, M. Ghergherehchi, D.H. Ha, H.S. Kim, J.C. Lee, and \emph{et al.},
%   S.C. Mun, J.-S. Chai, M. Ghergherehchi, D.H. Ha, H.S. Kim, J.C. Lee, and H. Namgoong,
%   S.C. Mun \emph{et al.},
   \textquotedblleft{Study of Geant4 Simulation for Cyclotron Radioisotope Production in Various Target Size}\textquotedblright,
%  in \emph{Proc. Cyclotrons2016}, pp. 105--107,
%  in \emph{Proc. Cyclotrons2016}, Zurich, Switzerland, Sep. 2016, paper MOP20, pp. 105--107,
   in \emph{Proc. 21st Int. Conf. on Cyclotrons and Their Applications (Cyclotrons'16)}, 
   Zurich, Switzerland, Sep. 2016, paper MOP20, pp. 105--107,
%  ISBN: 978-3-95450-167-0,
   \url{http://jacow.org/cyclotrons2016/papers/mop20.pdf},
   \url{doi:10.18429/JACoW-Cyclotrons2016-MOP20}, 2017.