POLYMER, vol. 33, no. 6, page. 1228 - 1236 , 1992-11
JOURNAL OF APPLIED PHYSICS, vol. 72, no. 5, page. 2014 - 2021, 1992-09-01
JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS, vol. 30, no. 2, page. 133 - 143, 1992-02
ELECTRONICS LETTERS, vol. 28, no. 1, page. 62 - 63, 1992-01-02