00258nam a2200073Ia 4500008004100000082002600041245007300067260004400140220204s9999    xx            000 0 und d  aNR:63:581.2(063)bIRR 0aWorkshop on corynespora leaf fall disease of Hevea rubber: Prosiding  aIndonesiabPusat Penelitian Karetc1996