[n] Takeshi Katayama, “Present Status of Ion Cooler Rings”, in Proc. PAC'91, San Francisco, CA, USA, May 1991, pp. 76-81.
%\cite{Takeshi Katayama:PAC91} \bibitem{Takeshi Katayama:PAC91} Takeshi Katayama, \textquotedblleft{Present Status of Ion Cooler Rings}\textquotedblright, in \emph{Proc. PAC’91}, San Francisco, CA, USA, May 1991, pp. 76--81.
@inproceedings{takeshi katayama:pac91, author = {Takeshi Katayama}, title = {{Present Status of Ion Cooler Rings}}, booktitle = {Proc. PAC'91}, pages = {76--81}, paper = {}, venue = {San Francisco, CA, USA, May 1991}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }