[n] K. Blasche, R. Friehmelt, K. Kaspar, Ch. Schmelzer, and U. Wolfangel, “Electric Quadrupole Focusing in Linear Ion Accelerators”, in Proc. LINAC'68, Long Island, NY, USA, May 1968, paper H-4, pp. 745-754.
%\cite{Blasche:LINAC68-H-4} \bibitem{Blasche:LINAC68-H-4} K. Blasche, R. Friehmelt, K. Kaspar, Ch. Schmelzer, and U. Wolfangel, \textquotedblleft{Electric Quadrupole Focusing in Linear Ion Accelerators}\textquotedblright, in \emph{Proc. LINAC’68}, Long Island, NY, USA, May 1968, paper H--4, pp. 745--754.
@inproceedings{blasche:linac68-h-4, author = {K. Blasche and R. Friehmelt and K. Kaspar and Ch. Schmelzer and U. Wolfangel}, title = {{Electric Quadrupole Focusing in Linear Ion Accelerators}}, booktitle = {Proc. LINAC'68}, pages = {745--754}, paper = {H-4}, venue = {Long Island, NY, USA, May 1968}, series = {Linear Accelerator Conference}, publisher = {JACoW Publishing, Geneva, Switzerland}, url = {https://jacow.org/l68/papers/H-4.pdf}, language = {english} }