[1] EUROPEAN ORG NUCL RES,CERN,GENEVA,SWITZERLAND
[2] UNIV HEIDELBERG,INST HOCHENERGIEPHYS,HEIDELBERG,FED REP GER
[3] INST NUCL PHYS & TECHN,CRACOW,POLAND
[4] ACAD MIN & MET CRACOW,CRACOW,POLAND
[5] TH AACHEN,PHYS INST 3,AACHEN,FED REP GER
[6] UNIV BONN,PHYS INST,BONN,FED REP GER
[7] DAWB,INST HOCHENERSIEPHYS,ZEUTHEN,GER DEM REP