The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Mai:IPAC2018-THPMK098}
\bibitem{Mai:IPAC2018-THPMK098}
C. Mai, M. Brosi, B. Büsing, F. Frei, C. Gerth, S. Khan, \emph{et al.},
% C. Mai, M. Brosi, B. Büsing, F. Frei, C. Gerth, S. Khan, M. Laabs, N.M. Lockmann, A. Meyer auf der Heide, N. Neumann, B. Riemann, B. Sawadski, J.L. Steinmann, and P. Ungelenk,
% C. Mai \emph{et al.},
\textquotedblleft{A Tunable Narrowband Source in the Sub-THz and THz Range at DELTA}\textquotedblright,
% --- abbreviated form (published paper) - JACoW template Feb 2018 ---
in \emph{Proc. IPAC'18}, Vancouver, BC, Canada, Apr. 4,, pp. 4534--4537,
\url{doi:10.18429/JACoW-IPAC2018-THPMK098}
% --- complete form (published paper) - JACoW template Feb 2018 ---
% in \emph{Proc. 9th International Particle Accelerator Conference (IPAC'18)}, Vancouver, BC, Canada, Apr. 4,,
% pp. 4534--4537, \url{doi:10.18429/JACoW-IPAC2018-THPMK098}
% --- additional material ---
% ISBN: 978-3-95450-184-7, \url{http://jacow.org/ipac2018/papers/thpmk098.pdf}