[n] Z. Parsa, “On Beam Emittance and Invariants - Applications to AFT Beamline”, in Proc. EPAC'90, Nice, France, Jun. 1990, pp. 1747-1750.
%\cite{Parsa:EPAC90} \bibitem{Parsa:EPAC90} Z. Parsa, \textquotedblleft{On Beam Emittance and Invariants - Applications to AFT Beamline}\textquotedblright, in \emph{Proc. EPAC’90}, Nice, France, Jun. 1990, pp. 1747--1750.
@inproceedings{parsa:epac90, author = {Z. Parsa}, title = {{On Beam Emittance and Invariants - Applications to AFT Beamline}}, booktitle = {Proc. EPAC'90}, pages = {1747--1750}, paper = {}, venue = {Nice, France, Jun. 1990}, series = {European Particle Accelerator Conference}, number = {2}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }