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2001PhDT........40D Author Comment Author comment for 2001PhDT........40D:

The full text of this article is available from the author's home institution at the URL: ://www.lib.ncsu.edu/etd/public/etd-39461210710152211/etd-title.html

Author comment submitted 03-Sep-2002 by Kristy Dyer (kdyer@mtholyoke.edu)