1. Glozman, L.Ya., Plessas, W., Varga, K., and Wagenbrunn, R.F.: Phys. Rev.D 58, 094030 (1998).
2. Glozman, L.Ya., Papp, Z., Plessas, W., Varga, K., and Wagenbrunn, R.F. Phys. Rev. C 57, 3406 (1998).
3. Bhaduri, R.K., Colder, L.E., and Nogami,Y.: Nuovo Cim. A65, 376 (1981).
4. Theußl, L., Wagenbrunn, R.F., Desplanques, B., and Plessas, W.Fur. Phys. J. Al2, 91 (2001).
5. Löring, U., Metsch. B.U., and Petry, H.R. Eur. Phys. J. A10, 395 (2001); ibid. A10, 447 (2001).