[n] R. F. Welton et al., “Development of the SNS External Antenna H- Ion Source”, in Proc. PAC'09, Vancouver, Canada, May 2009, paper MO6RFP037, pp. 438-440.
%\cite{Welton:PAC09-MO6RFP037} \bibitem{Welton:PAC09-MO6RFP037} R. F. Welton \emph{et al.}, \textquotedblleft{Development of the SNS External Antenna H- Ion Source}\textquotedblright, in \emph{Proc. PAC’09}, Vancouver, Canada, May 2009, paper MO6RFP037, pp. 438--440.
@inproceedings{welton:pac09-mo6rfp037, author = {R. F. Welton and others}, title = {{Development of the SNS External Antenna H- Ion Source}}, booktitle = {Proc. PAC'09}, pages = {438--440}, paper = {MO6RFP037}, venue = {Vancouver, Canada, May 2009}, series = {Particle Accelerator Conference}, number = {23}, publisher = {JACoW Publishing, Geneva, Switzerland}, url = {https://jacow.org/PAC2009/papers/MO6RFP037.pdf}, language = {english} }