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This is an old revision of this page, as edited by Cronholm144 (talk | contribs) at 02:23, 6 May 2007 (moved my stuff after consideration). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.
Article requests : the article seems to lack focus and order, and there is no table of contents. Consider not using set notation so early in the article.
Expand : references, as of now there is only one reference for a lengthy an technical article