NAME

    Catmandu::Identifier - Namespace for handling/fixing identifier, e.g.
    ISBN, ISSN

MODULES

      * Catmandu::Fix::isbn10

      * Catmandu::Fix::isbn13

      * Catmandu::Fix::is_valid_isbn

      * Catmandu::Fix::is_valid_issn

      * Catmandu::Fix::issn

AUTHOR

    Vitali Peil

 CONTRIBUTOR

    Patrick Hochstenbach

LICENSE

    This library is free software; you can redistribute it and/or modify it
    under the same terms as Perl itself.

SEE ALSO

    Catmandu::Fix