[n] J. E. Spencer and H. A. Thiessen, “Some High Resolution Techniques for Use with Negative Ion Beams”, in Proc. LINAC'72, Los Alamos, NM, USA, Oct. 1972, paper P21, pp. 415-421.
%\cite{Spencer:LINAC72-P21} \bibitem{Spencer:LINAC72-P21} J. E. Spencer and H. A. Thiessen, \textquotedblleft{Some High Resolution Techniques for Use with Negative Ion Beams}\textquotedblright, in \emph{Proc. LINAC’72}, Los Alamos, NM, USA, Oct. 1972, paper P21, pp. 415--421.
@inproceedings{spencer:linac72-p21, author = {J. E. Spencer and H. A. Thiessen}, title = {{Some High Resolution Techniques for Use with Negative Ion Beams}}, booktitle = {Proc. LINAC'72}, pages = {415--421}, paper = {P21}, venue = {Los Alamos, NM, USA, Oct. 1972}, series = {Linear Accelerator Conference}, publisher = {JACoW Publishing, Geneva, Switzerland}, url = {https://jacow.org/l72/papers/P21.pdf}, language = {english} }