00325nam a2200109Ia 4500008004100000100002200041245005700063260004200120300001200162650001700174650002400191220216s9999    xx            000 0 und d  aMassie J Mcet al 0aCarbon black distribution in NR/polybutadiene blends  bRubber Chemistry and Technologyc1993  a276-285  aCarbon black  aPolybutadiene blend