000 00345nam a2200133Ia 4500
008 220216s9999 xx 000 0 und d
100 _aRitchie A H
245 0 _aKualakep process for making oil extended natural rubber
260 _bPlanters Bulletin
_c1969
300 _a129-134
650 _aKualakep process
650 _aOENR
942 _cJS
999 _c53225
_d53225