[n] H. Wiedemann, “Measurements on Beam-Beam Interaction at SPEAR”, in Proc. PAC'73, San Francisco, CA, USA, Mar. 1973, pp. 838-843.
%\cite{Wiedemann:PAC73} \bibitem{Wiedemann:PAC73} H. Wiedemann, \textquotedblleft{Measurements on Beam-Beam Interaction at SPEAR}\textquotedblright, in \emph{Proc. PAC’73}, San Francisco, CA, USA, Mar. 1973, pp. 838--843.
@inproceedings{wiedemann:pac73, author = {H. Wiedemann}, title = {{Measurements on Beam-Beam Interaction at SPEAR}}, booktitle = {Proc. PAC'73}, pages = {838--843}, paper = {}, venue = {San Francisco, CA, USA}, series = {Particle Accelerator Conference}, number = {5}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {6}, year = {1973}, language = {english} }