International Standard Serial Number - An International Standard Serial Number (ISSN) is a unique eight digit number used to identify a print or electronic periodical publication. International Standard Serial Number - DIN ISO 3297 Bereich Information und Dokumentation Regelt Internationale Standardnummer für fortlaufende Sammelwerke (ISSN) … Deutsch Wikipedia International Standard Serial Number - International Standard Serial Number (ISSN) A publication number issued by the Library of Congress that identifies a specific periodical (such as a Periodicals publication) … Glossary of postal terms