[n] D. M. Treyer et al., “Design and Beam Test Results of Button BPMs for the European XFEL”, in Proc. IBIC'13, Oxford, UK, Sep. 2013, paper WEPC21, pp. 723-726.
%\cite{Treyer:IBIC13-WEPC21} \bibitem{Treyer:IBIC13-WEPC21} D. M. Treyer \emph{et al.}, \textquotedblleft{Design and Beam Test Results of Button BPMs for the European XFEL}\textquotedblright, in \emph{Proc. IBIC’13}, Oxford, UK, Sep. 2013, paper WEPC21, pp. 723--726.
@inproceedings{treyer:ibic13-wepc21, author = {D. M. Treyer and others}, title = {{Design and Beam Test Results of Button BPMs for the European XFEL}}, booktitle = {Proc. IBIC'13}, pages = {723--726}, paper = {WEPC21}, venue = {Oxford, UK, Sep. 2013}, publisher = {JACoW Publishing, Geneva, Switzerland}, url = {https://jacow.org/IBIC2013/papers/WEPC21.pdf}, language = {english} }