<xs:complexType name="article">
<xs:choice>
<xs:sequence>
<xs:element ref="author" minOccurs="0" maxOccurs="unbounded"/>
<xs:element ref="atl" minOccurs="0"/>
<xs:element ref="subname" minOccurs="0" maxOccurs="unbounded"/>
<xs:choice>
<xs:element ref="book"/>
<xs:element ref="serial"/>
</xs:choice>
<xs:element ref="absno" minOccurs="0"/>
<xs:element ref="location" minOccurs="0"/>
<xs:element ref="class" minOccurs="0" maxOccurs="unbounded"/>
<xs:element ref="keyword" minOccurs="0" maxOccurs="unbounded"/>
<xs:element ref="cpyrt" minOccurs="0"/>
<xs:element ref="artid" minOccurs="0"/>
<xs:element ref="refno" minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
<xs:element ref="text"/>
</xs:choice>
</xs:complexType> |