000 00311nam a2200097Ia 4500
008 220204s9999 xx 000 0 und d
082 _aNR:063IR 1962
_bIRS;3
245 0 _aFuture of Natural and synthetic rubbers: Proceedings of a symposium 29-31, May 1962, Washington
260 _aLondon
_bIRSG
_c1962
942 _cBK
999 _c19927
_d19927