Jianzhu Ju, Fengmei Su, Zhen Wang, Haoran Yang, Xiaoliang Tang, Xiaowei Chen, Yankun Lv, Jie Lu, Nan Tian, Liangbin Li. Extension decelerated crystallization in gamma-irradiated isotactic polypropylene: The role of asymmetric chain relaxation. Polymer. 2017, 131:68-72.