<xs:simpleType name="AreaPerMassUom">
  <xs:restriction base="eml:UomEnum">
    <xs:enumeration value="cm2/g">
      <xs:annotation>
        <xs:documentation>square centimetre per gram</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="ft2/lbm">
      <xs:annotation>
        <xs:documentation>square foot per pound-mass</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="m2/g">
      <xs:annotation>
        <xs:documentation>square metre per gram</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="m2/kg">
      <xs:annotation>
        <xs:documentation>square metre per kilogram</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
  </xs:restriction>
</xs:simpleType>