[1] RUDJER BOSKOVIC INST,YU-41001 ZAGREB,YUGOSLAVIA
[2] IST NAZL FIS NUCL,BARI,ITALY
[3] STANISLAW STASZIC UNIV MIN & MET,INST NUCL PHYS,PL-30059 CRACOW,POLAND
[4] STANISLAW STASZIC UNIV MIN & MET,INST PHYS & NUCL TECHN,PL-30059 CRACOW,POLAND
[5] UNIV LIVERPOOL,LIVERPOOL L69 3BX,ENGLAND
[6] MAX PLANCK INST PHYS & ASTROPHYS,D-8000 MUNICH 40,FED REP GER
[7] CATHOLIC UNIV NIJMEGEN,NIJMEGEN,NETHERLANDS
[8] NIKHEF,NIJMEGEN,NETHERLANDS