000 00330nam a2200109Ia 45e0
008 181001s1985 xx 000 0 und d
100 _aSawyer
245 0 _aChemistry for env. Engineering
260 _aSingapore
_bMcGraw Hill com.
_c1985
300 _a532
942 _2ddc
_cBK
999 _c3533
_d3533