"2007-04-02T10:14:12+02:00"^^ . . "Reference_quantity" . "MJE" . . . "Reference_quantity" . . "Core" . "11577"^^ . . "A relatively precise quantity in some oft-used form that is used as the basis for defining the Denoted_quantity."@en . "ref" . "A relatively precise quantity in some oft-used form that is used as the basis for defining the Denoted_quantity."@en .