00282nam a2200073Ia 4500008004100000082002200041245012500063260002000188220204s9999    xx            000 0 und d  aNR:063IR1996bIRR 0aSymposium on farming system aspects of the cultivation of natural rubber (Hevea brasiliensis), 6 November 1996, Beruwela  aUKbIRRDBc1997