[n] N. Holtkamp, P. Schuett, R. Wanzenberg, and T. Weiland, “A Stong Focussing Scheme for Hollow Beams in the RWT-Collider”, in Proc. EPAC'90, Nice, France, Jun. 1990, pp. 673-676.
%\cite{Holtkamp:EPAC90} \bibitem{Holtkamp:EPAC90} N. Holtkamp, P. Schuett, R. Wanzenberg, and T. Weiland, \textquotedblleft{A Stong Focussing Scheme for Hollow Beams in the RWT-Collider}\textquotedblright, in \emph{Proc. EPAC’90}, Nice, France, Jun. 1990, pp. 673--676.
@inproceedings{holtkamp:epac90, author = {N. Holtkamp and P. Schuett and R. Wanzenberg and T. Weiland}, title = {{A Stong Focussing Scheme for Hollow Beams in the RWT-Collider}}, booktitle = {Proc. EPAC'90}, pages = {673--676}, paper = {}, venue = {Nice, France, Jun. 1990}, series = {European Particle Accelerator Conference}, number = {2}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }