00354nam a2200121Ia 4500008004100000100002000041245007900061260002300140300001000163650001900173650002100192700001900213220216s9999    xx            000 0 und d  aMartin Justin J 0aFunctionalized silicas for improved natural rubber truck tire valcanizates  bRubber Worldc2013  a19-24  aNatural rubber  aSilica synthesis  aOkel Timothy A