[n] M. A. Chaudhri and M. Lee, “Trace Elements Determination in Blank Polystyrene Air Filters by Charged Particle Activation Analysis with a Cyclotron”, in Proc. Cyclotrons'89, Berlin, Germany, May 1989, paper J-13, pp. 612-614.
%\cite{Chaudhri:Cyclotrons89-J-13} \bibitem{Chaudhri:Cyclotrons89-J-13} M. A. Chaudhri and M. Lee, \textquotedblleft{Trace Elements Determination in Blank Polystyrene Air Filters by Charged Particle Activation Analysis with a Cyclotron}\textquotedblright, in \emph{Proc. Cyclotrons’89}, Berlin, Germany, May 1989, paper J--13, pp. 612--614.
@inproceedings{chaudhri:cyclotrons89-j-13, author = {M. A. Chaudhri and M. Lee}, title = {{Trace Elements Determination in Blank Polystyrene Air Filters by Charged Particle Activation Analysis with a Cyclotron}}, booktitle = {Proc. Cyclotrons'89}, pages = {612--614}, paper = {J-13}, venue = {Berlin, Germany, May 1989}, publisher = {JACoW Publishing, Geneva, Switzerland}, url = {https://jacow.org/c89/papers/J-13.pdf}, language = {english} }