000 00318nam a2200121Ia 4500
008 220201s1967 xx 000 0 eng d
082 _a628
_bCLA
100 _aClair N. Sawyer, Perry L.Mc Casty
245 0 _aChemistry for sanitary engineering
260 _bMc Graw Hill Book co.
_c1967
300 _a518
942 _2ddc
999 _c79756
_d79756