22.6.2.62 StandardNumber

This element specifies the standard number, such as ISBN or ISSN, of a source. [Example:

<b:Source>
  …
  <b:NumberVolumes>10</b:NumberVolumes>
  <b:StandardNumber>ISBN or ISSN</b:StandardNumber>
  <b:Comments>Comments</b:Comments>
</b:Source>

end example]

The possible values for this element are defined by the ST_String simple type (22.9.2.13).

[Note: The W3C XML Schema definition of this element’s content model (ST_String) is located in A.6.9. end note]