TY - JOUR T1 - EFFECT OF RADIATION ON THE CRYSTALS OF POLYETHYLENE AND PARAFFINS .1. FORMATION OF THE HEXAGONAL LATTICE AND THE DESTRUCTION OF CRYSTALLINITY IN POLYETHYLENE JO - POLYMER PY - 1980/01/01 AU - UNGAR G AU - KELLER A ED - VL - 21 IS - 11 SP - 1273 EP - 1277 Y2 - 2025/04/18 ER -