[n] J. J. Petillo et al., “The MICHELLE 2D/3D ES PIC Code: Advances and Applications”, presented at the PAC'05, Knoxville, TN, USA, May 2005, paper TPAT043, unpublished.
%\cite{Petillo:PAC05-TPAT043} \bibitem{Petillo:PAC05-TPAT043} J. J. Petillo \emph{et al.}, \textquotedblleft{The MICHELLE 2D/3D ES PIC Code: Advances and Applications}\textquotedblright, presented at the PAC’05, Knoxville, TN, USA, May 2005, paper TPAT043, unpublished.
@unpublished{petillo:pac05-tpat043, author = {J. J. Petillo and others}, title = {{The MICHELLE 2D/3D ES PIC Code: Advances and Applications}}, booktitle = {Proc. PAC'05}, paper = {TPAT043}, venue = {Knoxville, TN, USA, May 2005}, intype = {presented at the}, series = {Particle Accelerator Conference}, number = {21}, publisher = {JACoW Publishing, Geneva, Switzerland}, url = {https://jacow.org/p05/papers/TPAT043.pdf}, note = {presented at PAC'05, Knoxville, TN, USA, May 2005, paper TPAT043, unpublished}, language = {english} }