[n] H. Klein and O. Siart, “Acceleration of Light and Heavy Ions with Helix Structure”, in Proc. LINAC'70, Batavia, IL, USA, Sep.-Oct. 1970, paper D-6, pp. 293-313.
%\cite{Klein:LINAC70-D-6} \bibitem{Klein:LINAC70-D-6} H. Klein and O. Siart, \textquotedblleft{Acceleration of Light and Heavy Ions with Helix Structure}\textquotedblright, in \emph{Proc. LINAC’70}, Batavia, IL, USA, Sep.-Oct. 1970, paper D--6, pp. 293--313.
@inproceedings{klein:linac70-d-6, author = {H. Klein and O. Siart}, title = {{Acceleration of Light and Heavy Ions with Helix Structure}}, booktitle = {Proc. LINAC'70}, pages = {293--313}, paper = {D-6}, venue = {Batavia, IL, USA, Sep.-Oct. 1970}, series = {Linear Accelerator Conference}, publisher = {JACoW Publishing, Geneva, Switzerland}, url = {https://jacow.org/l70/papers/D-6.pdf}, language = {english} }