Directed and elliptic flows in and collisions H.Y. Zhang, W.Q. Shen, Y.G. Ma, X.Z. Cai, D.Q. Fang, L.P. Yu, C. Zhong and Y.B. WeiEur. Phys. J. A, 15 3 (2002) 399-404DOI: https://doi.org/10.1140/epja/i2002-10043-7