00347nam a2200109Ia 4500008004100000100001700041245004900058260008900107300001200196650001400208650001500222220216s9999    xx            000 0 und d  aSchultes R E 0aWild Hevea : An untapped source of germplasm  bJournal of the Rubber Research Institute of Sri Lanka : Conference Proceedingsc1977  a227-257  aGermplasm  aWild hevea