000 00355nam a2200097Ia 4500
008 220204s9999 xx 000 0 und d
082 _aNR:063IR1959
_bNRB
245 0 _aCompendium of six papers on natural rubber delivered at the International Rubber Conference, Washington DC, November 1959
260 _aWashington
_bNatural Rubber Bureau
_c1959
942 _cBK
999 _c21690
_d21690