[n] M. Stetter et al., “Investigations on a Plasma Lens for Fine Focusing of Heavy-Ion Beams”, in Proc. EPAC'94, London, UK, Jun.-Jul. 1994, pp. 285-288.
%\cite{Stetter:EPAC94} \bibitem{Stetter:EPAC94} M. Stetter \emph{et al.}, \textquotedblleft{Investigations on a Plasma Lens for Fine Focusing of Heavy-Ion Beams}\textquotedblright, in \emph{Proc. EPAC’94}, London, UK, Jun.-Jul. 1994, pp. 285--288.
@inproceedings{stetter:epac94, author = {M. Stetter and others}, title = {{Investigations on a Plasma Lens for Fine Focusing of Heavy-Ion Beams}}, booktitle = {Proc. EPAC'94}, pages = {285--288}, paper = {}, venue = {London, UK, Jun.-Jul. 1994}, series = {European Particle Accelerator Conference}, number = {4}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }