[n] A. M. Koehler, “Cost Effective Proton Beam Therapy with a Cyclotron”, in Proc. Cyclotrons'81, Caen, France, Sep. 1981, paper GC-01, pp. 667-672.
%\cite{Koehler:Cyclotrons81-GC-01} \bibitem{Koehler:Cyclotrons81-GC-01} A. M. Koehler, \textquotedblleft{Cost Effective Proton Beam Therapy with a Cyclotron}\textquotedblright, in \emph{Proc. Cyclotrons’81}, Caen, France, Sep. 1981, paper GC--01, pp. 667--672.
@inproceedings{koehler:cyclotrons81-gc-01, author = {A. M. Koehler}, title = {{Cost Effective Proton Beam Therapy with a Cyclotron}}, booktitle = {Proc. Cyclotrons'81}, pages = {667--672}, paper = {GC-01}, venue = {Caen, France, Sep. 1981}, publisher = {JACoW Publishing, Geneva, Switzerland}, url = {https://jacow.org/c81/papers/GC-01.pdf}, language = {english} }