Physics Letters B
Physics Letters B > 2000 > 481 > 2-4 > 397-407
Physics Letters B > 2001 > 503 > 3-4 > 349-354
Physics Letters B > 2001 > 504 > 1-2 > 89-100
Physics Letters B > 2000 > 481 > 2-4 > 397-407
Physics Letters B > 2001 > 503 > 3-4 > 349-354
Physics Letters B > 2001 > 504 > 1-2 > 89-100