You will find an article on this standard at:
http://www.ft.uni-erlangen.de/~mskuhn/iso-time.html
"A Summary of the International Standard Date
and Time Notation" by Markus Kuhn  
With other links at the end of this article. The link mentionned to Gary
Houston text doesn't work, try this one:
http://www.mcs.vuw.ac.nz/comp/Technical/SGML/doc/iso8601/ISO8601.html
The official source is in the ISO catalogue at:
http://www.iso.ch/cate/cat.html
ISO 8601:1988
Data elements and interchange formats -- Information interchange --
Representation of dates and
times 
Edition: 1 (monolingual) 
Number of pages: 14
Price code: G
ICS: 01.140.30
Descriptors: calendar dates, data representation, documentation, hours
(time), information interchange
Technical Corrigendum 1:1991 to ISO 8601:1988
Number of pages: 1
Last updated on 1997-05-03 
Guy Teasdale 						tˇl: (418) 656-2131 - 2090
Biblioth¸que de l'Universitˇ Laval			fax: (418) 656-7897
Sainte-Foy, Quˇbec
G1K 7P4						Guy.Teasdale@bibl.ulaval.ca
xml-dev: A list for W3C XML Developers
Archived as: http://www.lists.ic.ac.uk/hypermail/xml-dev/
To unsubscribe, send to majordomo@ic.ac.uk the following message;
unsubscribe xml-dev
List coordinator, Henry Rzepa (rzepa@ic.ac.uk)