Physics Letters B
Physics Letters B > 2008 > 663 > 3 > 197-201
Physics Letters B > 2009 > 675 > 3-4 > 297-304
Physics Letters B > 2013 > 718 > 4-5 > 1557-1561
Physics Letters B > 2013 > 720 > 1-3 > 250-253
Physics Letters B > 2008 > 663 > 3 > 197-201
Physics Letters B > 2009 > 675 > 3-4 > 297-304
Physics Letters B > 2013 > 718 > 4-5 > 1557-1561
Physics Letters B > 2013 > 720 > 1-3 > 250-253