Submitted on: 14 January 2005.
Revised on: 06 February 2005.
Accepted on: 25 February 2005.
MACROMOLECULES---AMER CHEMICAL SOC
Submitted on: 17 November 1998.
Revised on: 29 December 1998.
Accepted on: 03 January 1999.
MACROMOLECULES---AMER CHEMICAL SOC
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