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<issn-l> ISSN-L (Linking ISSN)
An ISSN designated by an ISSN Centre to group together the different media versions
of
a work. Since a single ISSN-L is assigned no matter how many media formats of a work
there
are, the ISSN-L can be used to link among the different media versions of the work
or
continuing resource, for example, both the printed and online versions of the work.
Models and Context
May be contained in
Description
Any combination of:
- Text, numbers, or special characters
- <x> X - Generated Text and Punctuation
Content Model
<!ELEMENT issn-l (#PCDATA %issn-l-elements;)* >
Expanded Content Model
(#PCDATA | x)*