The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Choi:IPAC2016-WEPOR015}
\bibitem{Choi:IPAC2016-WEPOR015}
H. J. Choi, K.H. Gil, H.-S. Kang, H.-G. Lee, S.B. Lee, and K.W. Seo,
\textquotedblleft{Introduction to WPS System Designed to Measure the Change of Location for PAL-XFEL Girder}\textquotedblright,
% in \emph{Proc. IPAC2016}, pp. 2693--2695,
% in \emph{Proc. IPAC2016}, Busan, Korea, May 2016, paper WEPOR015, pp. 2693--2695,
in \emph{Proc. 7th Int. Particle Accelerator Conf. (IPAC'16)},
Busan, Korea, May 2016, paper WEPOR015, pp. 2693--2695,
% ISBN: 978-3-95450-147-2,
\url{http://jacow.org/ipac2016/papers/wepor015.pdf},
\url{doi:10.18429/JACoW-IPAC2016-WEPOR015}, 2016.