// <I>Advances<D> in Nuclear Physics and Related Areas: European Conf., Thessaloniki, Greece, 8 - 12 July 1997; Ed. by D. Brink, M. Grypeos and S. Massen: Proc.- Thessaloniki : Giapouli Publishing, 1997, p. 253-264
(1997)
G. Krumova; S. Dimitrova; M. Gaidarov;
A. Antonov;
M. Stoitsov;
P. Hodgson;
V. Lukyanov;
E. Zemlyanaya и др.