The centre of the international computer database of serial publications is the ISSN International Centre which has been operating in Paris since 1972:
ISSN International Centre
20, rue Bachaumont
75002 PARIS
FRANCE
Tel.: (33 1) 44-88-22-20
Fax: (33 1) 40-26-32-43
E-mail: issnic@issn.org
World Wide Web: http://www.issn.org
Its main tasks:
The international ISSN database contains over 950,000 records and it is expected to grow by 40,000 items yearly. The countries handling the biggest national data blocks (the United States and France) contribute over 140,000 records to the international database. Hungary, with 20,000 records, is one of the middle-sized data-block builders.
Detailed information on products issued by the ISSN International Centre can be found on the homepage of the Paris Centre: http://www.issn.org/products.html