1 Siemens P J . Nature(London), 1983, 305: 410
2 Elliot J B et al . Phys Rev, 1994, C49: 3185
3 ALADIN/LAND Collaboration, Pochodzalla J et al . Phys Rev Lett, 1995, 75: 1040
4 Levit S, Bonche P . Nucl Phys, 1985, A437: 426
5 Serot B D, Walecka J D . In: Advances in Nuclear Physics, Negele J W, Vogt E ed. Vol. 16, (New York : Plenum , 1986)
6 Boguta J, Bodmer A R . Nucl Phys, 1977, A 292: 413
7 Zimanyi J, Moszkowski S A . Phys Rev, 1990, C42: 1416
8 Saito K, Thomas A W . Phys Lett, 1994, B327: 9
9 Song H Q, Qian Z X, Su R K . Phys Rev, 1994, C49: 2924
10 Delfino A, Coelho C T, Malheiro M . Phys Rev, 1995, C51: 2188
11 Malheiro M, delfino A, Coelho C T . Phys Rev, 1998, C58: 426
12 Chiapparini M, Delfino A, Malheiro M et al . Z Phys, 1997, A357: 47
13 Goodman A L, Kapusta J I, Mekjian A Z . Phys Rev, 1984, C30: 851
14 Song H Q, Su R K . Phys Rev, 1991, C44: 2505
15 Natowitz J B et al . Phys Rev, 1995, C52: R2322
16 Wada R et al . Phys Rev, 1989, C39: 497
