[1] UNIV DORTMUND,INST PHYS,W-4600 DORTMUND,GERMANY
[2] INST NUCL PHYS,KRAKOW,POLAND
[3] DESY,HAMBURG,GERMANY
[4] UNIV HAMBURG,INST EXPTL PHYS 1,HAMBURG,GERMANY
[5] UNIV HEIDELBERG,INST HOCHENERGIEPHYS,HEIDELBERG,GERMANY
[6] SLOVAK ACAD SCI,INST EXPTL PHYS,KOSICE 04353,SLOVAKIA
[7] ACAD SCI CZECH REPUBL,INST PHYS,PRAGUE,CZECH REPUBLIC
[8] DESY,INST HOCHENERGIEPHYS,ZEUTHEN,GERMANY