[1] UNIV BIELEFELD,DEPT PHYS,W-4800 BIELEFELD,GERMANY
[2] CERN,CH-1211 GENEVA 23,SWITZERLAND
[3] UNIV FREIBURG,DEPT PHYS,W-7800 FREIBURG,GERMANY
[4] MAX PLANCK INST NUCL PHYS,W-6900 HEIDELBERG 1,GERMANY
[5] UNIV HEIDELBERG,W-6900 HEIDELBERG,GERMANY
[6] UNIV MAINZ,INST KERNPHYS,W-6500 MAINZ,GERMANY
[7] UNIV MONS,FAC SCI,B-7000 MONS,BELGIUM
[8] UNIV NEUCHATEL,CH-2000 NEUCHATEL,SWITZERLAND
[9] NATL INST NUCL PHYS & HIGH ENERGY PHYS,1009 DB AMSTERDAM,NETHERLANDS
[10] CE SACLAY,SERV PHYS PARTICULES,DAPNIA,F-91191 GIF SUR YVETTE,FRANCE
[11] UNIV CALIF SANTA CRUZ,INST PARTICLE PHYS,SANTA CRUZ,CA 95064
[12] PAUL SCHERRER INST,CH-5234 VILLIGEN,SWITZERLAND
[13] UNIV TURIN,IST FIS,I-10125 TURIN,ITALY
[14] UNIV UPPSALA,DEPT RADIAT SCI,S-75121 UPPSALA,SWEDEN
[15] SOLTAN INST NUCL STUDIES,PL-00681 WARSAW,POLAND
[16] UNIV WARSAW,PL-00681 WARSAW,POLAND