Physics Letters B
Physics Letters B > 2011 > 697 > 4 > 339-342
Physics Letters B > 2011 > 699 > 5 > 354-359
Physics Letters B > 2011 > 700 > 5 > 356-361
Physics Letters B > 2011 > 702 > 2-3 > 143-149
Physics Letters B > 2011 > 697 > 4 > 339-342
Physics Letters B > 2011 > 699 > 5 > 354-359
Physics Letters B > 2011 > 700 > 5 > 356-361
Physics Letters B > 2011 > 702 > 2-3 > 143-149