<number/>collection, title ; date, info, number, proper, subtitle, title, unqualified, volume ; %Syllabe)*)@id="xs:ID" @code="xs:string" @audience="xs:string" @css="xs:string" @class="xs:string" @remap="xs:string" @uri="xs:anyURI" @lang="xs:string" @value="xs:string" @role="xs:string" @scheme="xs:string" <1> http://www.docbook.org/tdg/en/html/pubsnumber.html
<2> http://www.docbook.org/tdg/en/html/issuenum.html
<3> http://www.tei-c.org/P4X/ref-NUM.html
<4> http://www.tei-c.org/P4X/ref-NUMBER.html
<5> http://www.ifla.org/VI/3/p1996-1/uni5.htm#503
<6> http://www.biblioml.org/dtds/biblioml_030/html/elements/arabicnumeration.html
<7> http://www.biblioml.org/dtds/biblioml_030/html/elements/romannumerals.html
<8> http://www.loc.gov/marc/bibliographic/ecbdtils.html#mrcb245
<9> http://www.loc.gov/standards/mods/mods-userguide-elements.html#partnumber