[n] R. F. Welton et al., “The ORNL Helicon H- Ion Source”, in Proc. PAC'09, Vancouver, Canada, May 2009, paper MO6RFP038, pp. 441-441.
%\cite{Welton:PAC09-MO6RFP038} \bibitem{Welton:PAC09-MO6RFP038} R. F. Welton \emph{et al.}, \textquotedblleft{The ORNL Helicon H- Ion Source}\textquotedblright, in \emph{Proc. PAC’09}, Vancouver, Canada, May 2009, paper MO6RFP038, pp. 441--441.
@inproceedings{welton:pac09-mo6rfp038, author = {R. F. Welton and others}, title = {{The ORNL Helicon H- Ion Source}}, booktitle = {Proc. PAC'09}, pages = {441--441}, paper = {MO6RFP038}, venue = {Vancouver, Canada, May 2009}, series = {Particle Accelerator Conference}, number = {23}, publisher = {JACoW Publishing, Geneva, Switzerland}, url = {https://jacow.org/PAC2009/papers/MO6RFP038.pdf}, language = {english} }