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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
Text, numbers, or special characters, zero or more
Content Model
<!ELEMENT issn-l (#PCDATA %issn-l-elements;)* >
Expanded Content Model
(#PCDATA)*