00312nam a2200097Ia 4500008004100000100001300041245008500054260004500139300001100184650001900195220216s9999    xx            000 0 und d  aBoon A J 0aHock cleavage : The cause of main-chain scission on natural rubber and oxidation  bJournal of Natural Rubber Researchc1988  a90-106  aNatural rubber