[n] N. F. Verster, “The Influence of Regenerative Extraction on the Energy Spread”, in Proc. Cyclotrons'59, Oak Ridge, TN, USA, Jul. 1959, paper CYC59D05, pp. 199-202.
%\cite{Verster:Cyclotrons59-CYC59D05} \bibitem{Verster:Cyclotrons59-CYC59D05} N. F. Verster, \textquotedblleft{The Influence of Regenerative Extraction on the Energy Spread}\textquotedblright, in \emph{Proc. Cyclotrons’59}, Oak Ridge, TN, USA, Jul. 1959, paper CYC59D05, pp. 199--202.
@inproceedings{verster:cyclotrons59-cyc59d05, author = {N. F. Verster}, title = {{The Influence of Regenerative Extraction on the Energy Spread}}, booktitle = {Proc. Cyclotrons'59}, pages = {199--202}, paper = {CYC59D05}, venue = {Oak Ridge, TN, USA, Jul. 1959}, publisher = {JACoW Publishing, Geneva, Switzerland}, url = {https://jacow.org/c59/papers/CYC59D05.pdf}, language = {english} }