• [1]

    . Alcaraz J et al. Phys. Lett . , 1999, B461: 3872. Achasov M N et al. Nucl. Inst. Meth. , 1997, 401: 179-1863. L3 BGO Collaboration. Nucl. Inst. Meth. , 1994, 343: 456-4624. KLOE Coll. Nucl. Inst. Meth, 2002, A482: 363-3855. Cormier T M et al. Nucl. Inst . Meth. , 2002, A483: 734-746