000 00321nam a2200109Ia 4500
008 220216s9999 xx 000 0 und d
100 _aDrake G W
245 0 _aPrroduction of SP rubbers
260 _bProceedings of the Natural Rubber Research Conference, Kuala Lumpur, 1960; p611-618
650 _aSP rubber
942 _cJS
999 _c66084
_d66084