[n] R. Maier et al., “Non-Beam Disturbing Diagnostics at COSY-Juelich”, in Proc. EPAC'90, Nice, France, Jun. 1990, pp. 800-803.
%\cite{Maier:EPAC90} \bibitem{Maier:EPAC90} R. Maier \emph{et al.}, \textquotedblleft{Non-Beam Disturbing Diagnostics at COSY-Juelich}\textquotedblright, in \emph{Proc. EPAC’90}, Nice, France, Jun. 1990, pp. 800--803.
@inproceedings{maier:epac90, author = {R. Maier and others}, title = {{Non-Beam Disturbing Diagnostics at COSY-Juelich}}, booktitle = {Proc. EPAC'90}, pages = {800--803}, paper = {}, venue = {Nice, France, Jun. 1990}, series = {European Particle Accelerator Conference}, number = {2}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }