Iranian Journal of Polymer Science and Technology 10163255 3 2 1990 08 23 Liquid Crystal Polymers Liquid Crystal Polymers 58 10.22063/jipst.1990.58 FA F. Afshar M. Vafaiian Journal Article 1970 01 01 http://jips.ippi.ac.ir/article_58_cba4c28185d69910ced553688b3bcf84.pdf