Array ( [/REF/DELPHI_2011_I890503/d01-x01-y01] => Title: doi:10.17182/hepdata.73739.v1/t1 [/REF/DELPHI_2011_I890503/d02-x01-y01] => Title: doi:10.17182/hepdata.73739.v1/t2 )