• [1]

    For review, see K. -H. Kampert, J. Phys.，G15(1989),691.[2]P. J. Siemens. J. O. Rasmussen, Phys. Rev.42(1979),880.[3]D. Keane et al.，in Proceedings of the Nuclear Dynamics Workshop IV, Copper Mountain, Colorado, 1986,p.151.[4]C. Hartnack, H. Stocker, W.Greiner, in Proceedings of the International Workshop on Gross Properties of Nuclei and Nuclear Excitation XVI, Hirschegg, Austria 1988, ed. H. Feldmeier P. 138.[5]J. Gosset et al.，Phys. Rev. Lett.，62(1989),1251.[6]J. P. Alard et al.，`Anisotropy of the pion emission in relativistic nucleus-nucleus collisions", Rapport DPh-N/Saclav n02583 B. DPHN 90-4(1990).[7]J. P. Alard et al.，"Studies of Nuclear Collective Flow with DIOGENE", Rapport DPh-N/Saclay n02587 B,DPHN 90-10(1990).[8]B. A. Li, W. Bauer, G. F.Bertsch, Phys.Rev..C44(1991),2095.[9]B. A. Li, W. Bauer, Phys. Rev. ,C44(1991),450.[10]K. G. R. Doss et al.，Phys.Rev. Lett.，57(1986),559.[11]D. Beavis et al.，Phys. Rev.，C45(1992),299.[12]D. Keane et al.，Phys. Rev.，C37(1988),1447.[13]H. Kruse B. V. Jack, H. Stocker, Phys. Rev. Lett.，54(1985),289.[14]J. J. Molitoris, Stocker, Phys. Rev.，C32(1985),346.[15]G. M. Welke et al.,Phys. Rev.C38(1988),2101.[16]J. Jiang et al.，Phys. Rev. Lett.，68(1992),2739.[17]D. Beavis et al.，Phys. Rev.，C34(1986),757.[18]S. Wang et al.，Phys. Rev.，C44(1991),1091.[19]C. Cavata, These de Doctorat, Universite de Paris XI (1989).[20]Y. M. Liu et al.，Phys. Rev.，C34(1986),1667.