22.6.2.40 Medium

This element specifies the medium on or in which a source was created. Typically, this field is used in the Electronic source, sound recording, and film source types. [Example:

<b:Source>
  …
  <b:LCID>0</b:LCID>
  <b:Medium>DVD</b:Medium>
</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]