POLYMER DEGRADATION AND STABILITY, vol. 65, no. 1, page. 161 - 163, 1999-01
POLYMER, vol. 40, no. 19, page. 5371 - 5375, 1999-09
JOURNAL OF APPLIED POLYMER SCIENCE, vol. 73, no. 7, page. 1191 - 1195, 1999-08-15