[n] R. M. Main, K. Halbach, D. Kolody, P. Kennedy, A. Watanabe, and R. Yourd, “High Gradient Magnetic Drift Tube Quadrupoles”, in Proc. LINAC'68, Long Island, NY, USA, May 1968, paper A-5, pp. 52-59.
%\cite{Main:LINAC68-A-5} \bibitem{Main:LINAC68-A-5} R. M. Main, K. Halbach, D. Kolody, P. Kennedy, A. Watanabe, and R. Yourd, \textquotedblleft{High Gradient Magnetic Drift Tube Quadrupoles}\textquotedblright, in \emph{Proc. LINAC’68}, Long Island, NY, USA, May 1968, paper A--5, pp. 52--59.
@inproceedings{main:linac68-a-5, author = {R. M. Main and K. Halbach and D. Kolody and P. Kennedy and A. Watanabe and R. Yourd}, title = {{High Gradient Magnetic Drift Tube Quadrupoles}}, booktitle = {Proc. LINAC'68}, pages = {52--59}, paper = {A-5}, venue = {Long Island, NY, USA, May 1968}, series = {Linear Accelerator Conference}, publisher = {JACoW Publishing, Geneva, Switzerland}, url = {https://jacow.org/l68/papers/A-5.pdf}, language = {english} }