<xs:complexType name="SolidAngleMeasure"> <xs:simpleContent> <xs:extension base="eml:AbstractMeasure"> <xs:attribute name="uom" use="required" type="eml:SolidAngleUom"/> </xs:extension> </xs:simpleContent> </xs:complexType>
steradian
<xs:attribute name="uom" use="required" type="eml:SolidAngleUom"/>