1. Keister B.D., Polyzou, W.N.: Advance in Nuclear Physics, (eds.) Negele, J.W., Vogt, E.: (Plenum Press 1991) Vol. 20, pp. 225.
2. Chung, P.L., Coester, F., Keister, B.D., Polyzou, W.N.: Phys. Rev. C 37, 2000 (1988).
3. Lee, T.-S.H.: Proceedings of the International Conference on Medium and High Energy Nuclear Physics, (eds.) Hwang, W.-Y.P., Lin, K.F., Tzeng, Y.: ( World Scientific 1989 ) pp. 563.
4. Napolitano, J., et al., Phys. Rev. Lett. 22, 2530 (1988).