00296nam a2200109Ia 4500008004100000100001500041245005900056260002200115300001200137650001800149650001900167220216s9999    xx            000 0 und d  aSekhar B C 0aIn future, NR will be much more than just an elastomer  bRubber Asiac2005  a140-144  aNR production  aRubber history