JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY, vol. 37, no. 7, page. 937 - 957, 1999-04-01
POLYMER, vol. 39, no. 25, page. 6489 - 6500, 1998-12
JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS, vol. 33, no. 14, page. 2075 - 2082, 1995-10