Physics Letters B
Physics Letters B > 1998 > 441 > 1-4 > 198-204
Physics Letters B > 1999 > 453 > 3-4 > 217-221
Physics Letters B > 2002 > 548 > 1-2 > 1-8
Physics Letters B > 1998 > 441 > 1-4 > 198-204
Physics Letters B > 1999 > 453 > 3-4 > 217-221
Physics Letters B > 2002 > 548 > 1-2 > 1-8