[n] R. M. Ennis, B. Donnally, D. E. Schechter, D. B. Schlafke, and G. Thoeming, “Production of Negative Helium Ions by Nearly-Resonant Charge Exchange in Potassium”, in Proc. PAC'67, Washington D.C., USA, Mar. 1967, pp. 75-78.
%\cite{Ennis:PAC67} \bibitem{Ennis:PAC67} R. M. Ennis, B. Donnally, D. E. Schechter, D. B. Schlafke, and G. Thoeming, \textquotedblleft{Production of Negative Helium Ions by Nearly-Resonant Charge Exchange in Potassium}\textquotedblright, in \emph{Proc. PAC’67}, Washington D.C., USA, Mar. 1967, pp. 75--78.
@inproceedings{ennis:pac67, author = {R. M. Ennis and B. Donnally and D. E. Schechter and D. B. Schlafke and G. Thoeming}, title = {{Production of Negative Helium Ions by Nearly-Resonant Charge Exchange in Potassium}}, booktitle = {Proc. PAC'67}, pages = {75--78}, paper = {}, venue = {Washington D.C., USA}, series = {Particle Accelerator Conference}, number = {2}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {6}, year = {1967}, language = {english} }