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<isbn> ISBN

International Standard Book Number, the international code for identifying a particular product form or edition of a publication, typically a monographic publication.

Usage/Remarks

Within an ISBN, spacing, hyphens, and punctuation should be preserved.
ISBNs can be assigned to books, reports, standards documents, conference proceedings, and dissertations. The <isbn> element can be used to record all such numbers inside bibliographic citations (<element-citation> and <mixed-citation>). Within a mixed-style citation, the text “ISBN:”, if present, should be kept as text within the citation but not placed inside the <isbn> element. Within an element-style citation, the text “ISBN:”, if present, should be removed from the citation and also not placed inside the <isbn> element.
In the rare case that a serial publication has an ISBN, the <isbn> element inside the article metadata (<article-meta>) is used to record that value. If there is more than one ISBN, the @content-type attribute may be used to differentiate between ISBNs or explain the reason for a particular ISBN.
Attributes
assigning-authority
content-type
publication-format
specific-use

Base Attributes

id
xml:base
Models and Context
May be contained in
<article-meta>, <element-citation>, <event>, <event-desc>, <front-stub>, <journal-meta>, <mixed-citation>, <product>, <related-article>, <related-object>
Description
Text, numbers, or special characters, zero or more
Content Model
<!ELEMENT  isbn         (#PCDATA %isbn-elements;)*                   >
Expanded Content Model

(#PCDATA)*

Tagged Samples
For an article 
...
<article-meta>
 ...  
 <volume>1540</volume>
 <issue>1</issue>
 <isbn content-type="conf-proc">978-0-7354-1164-7</isbn>
 <fpage seq="1">113</fpage>
 <lpage>124</lpage>
</article-meta>
...
<product> 
...  
<product>
 <source>Image-Guided Radiation Therapy in Lymphoma Management. 
 The Increasing Role of Functional Imaging</source>. 
 <name name-style="western"><surname>Macklis</surname>
 <given-names>R. M.</given-names></name>; 
 <name name-style="western"><surname>Conti</surname>
 <given-names>P. S.</given-names></name>. 
 <publisher-name>Informa Healthcare</publisher-name>, 
 <publisher-loc>Essex, United Kingdom</publisher-loc>,
 <year>year</year>, Price: <price>$324.00</price>. 
 ISBN: <isbn>9781420058741</isbn>, <size 
 units="pages">80</size> p. (hardcover)
</product>
...
...
<article-meta>
 ...
 <volume>318</volume>
 <issue>7187</issue>
 <fpage>837</fpage>
 <lpage>841</lpage>
 <product>
  <string-name><surname>Lapeyre</surname>, 
  <given-names>Deborah A.</given-names></string-name> 
  and <string-name><surname>Usdin</surname>, 
  <given-names>B. Tommie</given-names></string-name>. 
  <source>Wildflowers of the Washington Area</source>
  (<year iso-8601-date="2002">2002</year>) 
  <publisher-name>Lippman, Ltd.</publisher-name>
  <publisher-loc>Bethesda, MD</publisher-loc>
  <isbn>0-23-8675-309</isbn>, includes a CD-ROM,
  <price>$19.95</price> (Used 12.50 when available)
 </product>
 <history>
  <date date-type="accepted" iso-8601-date="1999-01-29">
   <day>29</day><month>01</month><year>1999</year></date>
 </history>
 ...
</article-meta>
...