ISSN

An ISSN, or International Standard Serial Number, is a unique eight-digit number used to identify a print or electronic periodical publication. The ISSN system was adopted as international standard ISO 3297 in 1975.

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The format of the ISSN is an eight digit number, divided by a hyphen into two four digit numbers. The last digit, which may be 0-9 or an X, is a check digit.

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Rail ISSN 0953-4563

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The validity of an ISSN code format can be checked at http://www.issn.org:8080/English/pub/faqs/issn/issnchecking, a facility provided by the ISSN International Centre.

Periodical publication: A periodical publication, or just periodical, is a published work that appears in a new edition on a regular schedule. The most familiar examples are the newspaper, often published daily, or weekly; or the magazine, typically published weekly, monthly or as a quarterly. Other examples would be a new...

International standard: Standards are produced by many organizations, some for internal usage only, others for use by a groups of people, groups of companies, or a subsection of an industry. A problem arises when different groups come together, each with a large user base doing some well established thing that between them...

ISO: ISO has many meanings:...