[n] B. Dwersteg and Q. Yufang, “Waveguide Directional Couplers for High RF Power Distribution”, in Proc. EPAC'90, Nice, France, Jun. 1990, pp. 1011-1014.
%\cite{Dwersteg:EPAC90} \bibitem{Dwersteg:EPAC90} B. Dwersteg and Q. Yufang, \textquotedblleft{Waveguide Directional Couplers for High RF Power Distribution}\textquotedblright, in \emph{Proc. EPAC’90}, Nice, France, Jun. 1990, pp. 1011--1014.
@inproceedings{dwersteg:epac90, author = {B. Dwersteg and Q. Yufang}, title = {{Waveguide Directional Couplers for High RF Power Distribution}}, booktitle = {Proc. EPAC'90}, pages = {1011--1014}, paper = {}, venue = {Nice, France, Jun. 1990}, series = {European Particle Accelerator Conference}, number = {2}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }