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%\cite{Chang:MEDSI2018-TUPH06}
\bibitem{Chang:MEDSI2018-TUPH06}
C.-H. Chang, C.H. Chang, T.Y. Chung, C.-S. Hwang, and C.Y. Kuo,
\textquotedblleft{Construction of a Twin-Helix Undulator Prototype}\textquotedblright,
% --- abbreviated form (UNpublished paper) - JACoW template Feb 2018 ---
presented at MEDSI'18, Paris, France, Jun 2018, paper TUPH06, unpublished.
% --- complete form (UNpublished paper) - JACoW template Feb 2018 ---
% presented at the 10th Mechanical Engineering Design of Synchrotron Radiation Equipment and Instrumentation (MEDSI'18), Paris, France, Jun 2018, paper TUPH06, unpublished.