The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Choi:FEL2017-WEP041}
\bibitem{Choi:FEL2017-WEP041}
H. J. Choi, J.H. Han, H.-S. Kang, S.H. Kim, H.-G. Lee, and S.B. Lee,
\textquotedblleft{HLS to Measure Changes in Real Time in the Ground and Building Floor of PAL-XFEL, Large-Scale Scientific Equipment}\textquotedblright,
in \emph{Proc. FEL2017}, \url{https://doi.org/10.18429/JACoW-FEL2017-WEP041}, 2018.
% in \emph{Proc. FEL2017}, \url{https://doi.org/10.18429/JACoW-FEL2017-WEP041}, pp. 503--506.
% in \emph{Proc. FEL2017}, Santa Fe, NM, USA, Aug. 2017, paper WEP041, \url{https://doi.org/10.18429/JACoW-FEL2017-WEP041}
% in \emph{Proc. 38th Int. Free Electron Laser Conf. (FEL'17)},
% Santa Fe, NM, USA, Aug. 2017, paper WEP041, pp. 503--506,
% ISBN: 978-3-95450-179-3,
% \url{http://jacow.org/fel2017/papers/wep041.pdf},
% \url{https://doi.org/10.18429/JACoW-FEL2017-WEP041}, 2018.