000 00281nam a2200097Ia 4500
008 220204s9999 xx 000 0 und d
082 _aNR:33:061.31987
_bIRS
245 0 _a30th Assembly: Papers presented at the International Rubber Forum
260 _aLondon
_bIRSG
_c1987
942 _cBK
999 _c43727
_d43727