[n] A. H. Botha et al., “Operation and Development of the NAC Accelerator Facilities”, in Proc. Cyclotrons'89, Berlin, Germany, May 1989, paper D-01, pp. 80-83.
%\cite{Botha:Cyclotrons89-D-01} \bibitem{Botha:Cyclotrons89-D-01} A. H. Botha \emph{et al.}, \textquotedblleft{Operation and Development of the NAC Accelerator Facilities}\textquotedblright, in \emph{Proc. Cyclotrons’89}, Berlin, Germany, May 1989, paper D--01, pp. 80--83.
@inproceedings{botha:cyclotrons89-d-01, author = {A. H. Botha and others}, title = {{Operation and Development of the NAC Accelerator Facilities}}, booktitle = {Proc. Cyclotrons'89}, pages = {80--83}, paper = {D-01}, venue = {Berlin, Germany, May 1989}, publisher = {JACoW Publishing, Geneva, Switzerland}, url = {https://jacow.org/c89/papers/D-01.pdf}, language = {english} }