Submitted on: 11 January 1999.
Revised on: 11 March 1999.
Accepted on: 20 April 1999.
___________________JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION
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Submitted on: 25 October 2005.
Revised on: 11 December 2005.
Accepted on: 26 January 2006.
___________________JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION
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