000 00452nam a2200169Ia 4500
008 220216s9999 xx 000 0 und d
100 _aRondet M
245 4 _aThe four stages of natural rubber specification
260 _bPlantations, Recherche, Developpement
_c1997
300 _a239-241
650 _aAmazone jungle rubber
650 _aEstate rubber
650 _aNatural rubber
650 _aQuality criteria
650 _aTSR
942 _cJS
999 _c70703
_d70703