Physics Letters B
Physics Letters B > 2009 > 670 > 4-5 > 340-349
Physics Letters B > 2009 > 671 > 1 > 77-81
Physics Letters B > 2009 > 671 > 4-5 > 470-476
Physics Letters B > 2009 > 675 > 3-4 > 283-288
Physics Letters B > 2009 > 681 > 3 > 264-268