[n] L. M. Bollinger et al., “First Operational Tests of the Positive-Ion Injector for ATLAS”, in Proc. PAC'89, Chicago, IL, USA, Mar. 1989, pp. 1120-1123.
%\cite{Bollinger:PAC89} \bibitem{Bollinger:PAC89} L. M. Bollinger \emph{et al.}, \textquotedblleft{First Operational Tests of the Positive-Ion Injector for ATLAS}\textquotedblright, in \emph{Proc. PAC’89}, Chicago, IL, USA, Mar. 1989, pp. 1120--1123.
@inproceedings{bollinger:pac89, author = {L. M. Bollinger and others}, title = {{First Operational Tests of the Positive-Ion Injector for ATLAS}}, booktitle = {Proc. PAC'89}, pages = {1120--1123}, paper = {}, venue = {Chicago, IL, USA, Mar. 1989}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }