@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix unece: <https://test.uncefact.org/vocabulary/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://test.uncefact.org/vocabulary/unit-of-measure/D21> a skos:Concept ;
    skos:exactMatch <http://qudt.org/vocab/unit/M2-PER-KiloGM> ;
    skos:inScheme unece:unit-of-measure ;
    skos:notation "D21" ;
    skos:prefLabel "square metre per kilogram"@en ;
    unece:conversionMultiplier 1.0 ;
    unece:dimensionVector "L2 M-1" ;
    unece:rec20Quantity "mass attenuation coefficient"@en,
        "mass energy transfer coefficient"@en ;
    unece:rec20Sector "Nuclear Reactions and Ionizing Radiations"@en ;
    unece:ucumCode "m2.kg-1" ;
    unece:unitSymbol "m²/kg" .