000 00340nam a2200133Ia 4500
008 220216s9999 xx 000 0 und d
100 _aPadirac R De
245 0 _aProspects of African natural rubber : A matter of technique
260 _bPlanter
_c1956
300 _a578-580
650 _aAfrica
650 _aNatural rubber
942 _cJS
999 _c66028
_d66028