[n] M. Bai et al., “First Polarized Proton Collisions at a Beam Energy of 250 GeV in RHIC”, in Proc. PAC'09, Vancouver, Canada, May 2009, paper MO4RAC04, pp. 91-93.
%\cite{Bai:PAC09-MO4RAC04} \bibitem{Bai:PAC09-MO4RAC04} M. Bai \emph{et al.}, \textquotedblleft{First Polarized Proton Collisions at a Beam Energy of 250 GeV in RHIC}\textquotedblright, in \emph{Proc. PAC’09}, Vancouver, Canada, May 2009, paper MO4RAC04, pp. 91--93.
@inproceedings{bai:pac09-mo4rac04, author = {M. Bai and others}, title = {{First Polarized Proton Collisions at a Beam Energy of 250 GeV in RHIC}}, booktitle = {Proc. PAC'09}, pages = {91--93}, paper = {MO4RAC04}, venue = {Vancouver, Canada, May 2009}, series = {Particle Accelerator Conference}, number = {23}, publisher = {JACoW Publishing, Geneva, Switzerland}, url = {https://jacow.org/PAC2009/papers/MO4RAC04.pdf}, language = {english} }