000 00469nam a2200157Ia 4500
008 220216s9999 xx 000 0 und d
100 _aSilva C G
245 0 _aProvisional classification of rubber soils of Ceylon and their relationship to Malayan soils
260 _bJournal of the Rubber Research Institute of Malaya
_c1969
300 _a217-224
650 _aCeylon
650 _aMalaya
650 _aRubber soil
650 _aSoil classification
942 _cJS
999 _c66081
_d66081