1. Beşliu C., Ghiordănescu N. andPenţia M.,Stud. Cercet. Fiz.,29 (1977) 817.
2. Baldin A. M.,Prog. Part. Nucl. Phys.,IV (1980) 95.
3. Stock R.,Phys. Rep.,135 (1985) 259.
4. Plümer M., Raha S. andWeiner R. M. (Eds),Proceedings of the International Workshop on Correlations and Multiparticle Production (World Scientific, Singapore, New Jersey, London, Hong Kong) 1991.
5. Nagamiya S.,Prog. Part. Nucl. Phys.,15 (1985) 363.