000 00264nam a2200097Ia 4500
008 220204s9999 xx 000 0 und d
082 _a678.664
_bADV.2
245 0 _aAdvances in urethane science and technology. V 2 - 6
260 _aUSA
_bTechnomic
_c1973
942 _cBK
999 _c34818
_d34818