Information AboutIssn |
| CATEGORIES ABOUT INTERNATIONAL STANDARD SERIAL NUMBER | |
| iso standards | |
| identifiers | |
| universal identifiers | |
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CODE FORMAT 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 . The ISSN of the periodical ''Rail'', for example, is 1534-0481. Or by using the algorithm of which the following is an example: :ISSN 0317-8471
:0 + 21 + 6 + 35 + 32 + 12 + 14 := 120/11 := 10 remainder 10 :subtract the remainder 10 from 11 leaving 1 :1 is the check digit CODE ASSIGNMENT ISSN codes are assigned by a network of ISSN National Centres, usually located at - 07-17 . with around 50,000 new records added yearly. COMPARISON TO OTHER IDENTIFIERS ISSN and ISBN codes are similar in concept, where ISBNs are assigned to individual Book s. For particular issues of a periodical an ISBN might be assigned in addition to the ISSN code for the periodical as a whole. Unlike the ISBN code, an ISSN is an Anonymous Identifier associated with a periodical title, containing no Information as to the Publisher or its Location . For this reason, a new ISSN is assigned to a periodical each time it undergoes a major title change. Since the ISSN applies to an entire periodical, a new identifier, the Serial Item And Contribution Identifier , was built on top of it, to allow referencing specific volumes, articles, or other identifiable components (like the Table Of Contents ). AVAILABILITY The ISSN Register is not freely available for interrogation on the web but is available on a subscription basis. There are several routes to the identification and verification of ISSN codes for the general public.
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