[1] LAB NAZL LEGNARO,LEGNANO,ITALY
[2] STUDSV SCI LAB,NYKOPING,SWEDEN
[3] KFA JULICH,INST KERNPHYS,W-4053 JULICH,GERMANY
[4] UNIV LIVERPOOL,OLIVER LODGE LAB,LIVERPOOL L69 3BX,ENGLAND
[5] UNIV OSLO,DEPT PHYS,OSLO 3,NORWAY
[6] UNIV YORK,DEPT PHYS,YORK YO1 5DD,N YORKSHIRE,ENGLAND
[7] UNIV JYVASKYLA,DEPT PHYS,SF-40100 JYVASKYLA 10,FINLAND