000 00336nam a2200109Ia 4500
008 220204s9999 xx 000 0 und d
082 _a66(35)
_bPEC
245 0 _aChemical technology handbook: Guidebook for industrial chemical technologists and technicians
260 _aWashington
_bACS
_c1975
700 _aPecsok, Robert L
942 _cBK
999 _c30857
_d30857