000 00345nam a2200109Ia 4500
008 220204s9999 xx 000 0 und d
082 _a678.074:678.019
_bPRE
245 0 _aPredicting aging of elastomers: Papers presented at 136th ACS meeting, Detorit, 1989
260 _aOhio
_bACS
_c1989
490 _aACS Educational symposium No.23
942 _cBK
999 _c40427
_d40427