9Gapiati N J, Porter R S. The Concept of One Polymer Composites Modeled with High Density Polyethylene[J]. Journal of Materials Science, 1975,10:1671 - 1677.
10Matsuo M, Sawatari C, Nakano T. Ultra-drawing of Isotactic Polypropylene Films Produced by Gelation/Crystallization From Solution [J]. Polymer Journal, 1986,18(10):759-774.