<xs:simpleType name="MassPerVolumePerLengthUom">
  <xs:restriction base="eml:UomEnum">
    <xs:enumeration value="g/cm4">
      <xs:annotation>
        <xs:documentation>gram per centimetre to the fourth power</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="kg/dm4">
      <xs:annotation>
        <xs:documentation>kilogram per decimetre to the fourth power</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="kg/m4">
      <xs:annotation>
        <xs:documentation>kilogram per metre to the fourth power</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="lbm/(gal[UK].ft)">
      <xs:annotation>
        <xs:documentation>pound-mass per UK gallon foot</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="lbm/(gal[US].ft)">
      <xs:annotation>
        <xs:documentation>pound-mass per US gallon foot</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="lbm/ft4">
      <xs:annotation>
        <xs:documentation>pound-mass per foot to the fourth power</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="Pa.s2/m3">
      <xs:annotation>
        <xs:documentation>pascal second squared per cubic metre</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
  </xs:restriction>
</xs:simpleType>