This is an old revision of this page, as edited by The Anome(talk | contribs) at 19:03, 8 January 2003(Note: took in text from public domain article at http://www.nidr.nih.gov/spectrum/NIDCR4/4textsec8.htm). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.Revision as of 19:03, 8 January 2003 by The Anome(talk | contribs)(Note: took in text from public domain article at http://www.nidr.nih.gov/spectrum/NIDCR4/4textsec8.htm)