00310nam a2200085Ia 4500008004100000100001600041245004800057260010000105650001900205220216s9999    xx            000 0 und d  aBaker C S L 0aNatural rubber from Wickham to 21st century  bProceedings of the International Conference on Rubbers Calcutta, December 12-14, 1997. V1. p1-5  aNatural rubber