[1] UNIV STRASBOURG 1, CTR RECH NUCL, CNRS, IN2P3, F-67037 STRASBOURG 2, FRANCE
[2] UNIV ATHENS, DEPT PHYS, PHYS LAB, GR-10680 ATHENS, GREECE
[3] COLL FRANCE, PHYS CORPUSCULAIRE LAB, F-75231 PARIS, FRANCE
[4] CERN, CH-1211 GENEVA 23, SWITZERLAND
[5] NATL CTR SCI RES DEMOKRITOS, INST NUCL PHYS, GR-15310 ATHENS, GREECE
[6] UNIV GENOA, DIPARTIMENTO FIS, I-16146 GENOA, ITALY
[7] IST NAZL FIS NUCL, I-16146 GENOA, ITALY
[8] UNIV GRENOBLE 1, INST SCI NUCL, F-38026 ST MARTIN DHERES, FRANCE
[9] UNIV PARIS 11, ACCELERATEUR LINEAIRE LAB, F-91405 ORSAY, FRANCE
[10] INST NUCL PHYS, HIGH ENERGY PHYS LAB, PL-30055 KRAKOW, POLAND
[11] UNIV MONS, FAC SCI, SERV PHYS PARTICULES ELEMENTAIRES, B-7000 MONS, BELGIUM
[12] NIELS BOHR INST, DK-2100 COPENHAGEN, DENMARK
[13] NIKHEF H, 1009 DB AMSTERDAM, NETHERLANDS
[14] NATL TECH UNIV ATHENS, PHYS LAB 2, GR-15780 ATHENS, GREECE
[15] UNIV SANTANDER, FAC CIENCIAS, E-39005 SANTANDER, SPAIN
[16] SEFT, HIGH ENERGY PHYS RES INST, SF-00170 HELSINKI, FINLAND
[17] UNIV UPPSALA, DEPT RADIAT SCI, S-75121 UPPSALA, SWEDEN
[18] UNIV GESAMTHSCH WUPPERTAL, FACHBEREICH PHYS, D-42097 WUPPERTAL, GERMANY