View source for ISO 4

'''ISO 4''' is an international standard for the abbreviation of titles of journals and other periodicals.<ref>{{citation | title = International Standard ISO&nbsp;4:1997 – Information and documentation – Rules for the abbreviation of title words and titles of publications | publisher = International Organization for Standardization | year = 1997}}.</ref> It was developed by the [[International Organization for Standardization]] (ISO) in 1972 and is maintained by the ISSN International Centre since 1974. The latter organization maintains the '''List of Title Word Abbreviations''' ('''LTWA'''), which includes 55,650 words in about 70 languages.<ref>{{citation | title = LTWA | url = http://www.issn.org/2-22660-LTWA.php | publisher = ISSN International Centre | accessdate = 2010-08-26}}.</ref>

The current version (1997) of ISO 4 supercedes the 1984 and 1972 versions as well as ISO 833:1974, which was withdrawn in 1979.<ref>{{citation | title = Withdrawal of ISO 833-1974 | url = http://www.iso.org/iso/iso_catalogue/catalogue_tc/catalogue_detail.htm?csnumber=5196 | publisher = International Organization for Standardization | accessdate = 2010-08-26}}.</ref> It has the ICS code 01.140.40 

==Notes and references==
===Notes===
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===References===
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[[Category:International standards|ISO 0004]]
[[Category:Journal abbreviations|*ISO 4]]

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