Physics Letters B
Physics Letters B > 1996 > 365 > 1-4 > 431-436
Physics Letters B > 1996 > 371 > 1-2 > 99-104
Physics Letters B > 1996 > 379 > 1-4 > 267-271
Physics Letters B > 1996 > 365 > 1-4 > 431-436
Physics Letters B > 1996 > 371 > 1-2 > 99-104
Physics Letters B > 1996 > 379 > 1-4 > 267-271