[n] V. Dudnikov, “30 Years of High-Intensity Negative Ion Sources for Accelerators”, in Proc. PAC'01, Chicago, IL, USA, Jun. 2001, paper WPAH005, pp. 2087-2089.
%\cite{Dudnikov:PAC01-WPAH005} \bibitem{Dudnikov:PAC01-WPAH005} V. Dudnikov, \textquotedblleft{30 Years of High-Intensity Negative Ion Sources for Accelerators}\textquotedblright, in \emph{Proc. PAC’01}, Chicago, IL, USA, Jun. 2001, paper WPAH005, pp. 2087--2089.
@inproceedings{dudnikov:pac01-wpah005, author = {V. Dudnikov}, title = {{30 Years of High-Intensity Negative Ion Sources for Accelerators}}, booktitle = {Proc. PAC'01}, pages = {2087--2089}, paper = {WPAH005}, venue = {Chicago, IL, USA, Jun. 2001}, publisher = {JACoW Publishing, Geneva, Switzerland}, url = {https://jacow.org/p01/papers/WPAH005.pdf}, language = {english} }