Adamova, D., Agakichiev, G., Andronic, A., Antonczyk, D., Appelshaeuser, H., Belaga, V., et al. (2012). Elliptic flow of charged pions, protons and strange particles emitted in Pb plus Au collisions at top SPS energy. Nuclear Physics A, 894, 41-73. doi:10.1016/j.nuclphysa.2012.08.004.