Physics Letters B
Physics Letters B > 2003 > 559 > 1-2 > 41-48
Physics Letters B > 2003 > 564 > 3-4 > 199-204
Physics Letters B > 2003 > 567 > 1-2 > 12-22
Physics Letters B > 2003 > 569 > 3-4 > 159-167
Physics Letters B > 2003 > 574 > 1-2 > 8-13