[n] A. H. Barnard et al., “Vertical Focussing with a Field Gradient Spiral Inflector”, in Proc. Cyclotrons'19, Cape Town, South Africa, Sep. 2019, pp. 58-61. doi:10.18429/JACoW-CYCLOTRONS2019-MOP016
%\cite{Barnard:Cyclotrons19-MOP016} \bibitem{Barnard:Cyclotrons19-MOP016} A. H. Barnard \emph{et al.}, \textquotedblleft{Vertical Focussing with a Field Gradient Spiral Inflector}\textquotedblright, in \emph{Proc. Cyclotrons’19}, Cape Town, South Africa, Sep. 2019, pp. 58--61. \url{doi:10.18429/JACoW-CYCLOTRONS2019-MOP016}
@inproceedings{barnard:cyclotrons19-mop016, author = {A. H. Barnard and others}, title = {{Vertical Focussing with a Field Gradient Spiral Inflector}}, booktitle = {Proc. Cyclotrons'19}, pages = {58--61}, paper = {MOP016}, venue = {Cape Town, South Africa, Sep. 2019}, publisher = {JACoW Publishing, Geneva, Switzerland}, doi = {10.18429/JACoW-CYCLOTRONS2019-MOP016}, url = {https://jacow.org/cyclotrons2019/papers/MOP016.pdf}, language = {english} }