000 00312nam a2200121Ia 4500
008 211209s1977 xx 000 0 und d
041 _aeng
082 _a628.16 N77 EDW
100 _aEDWARD D S
245 _aWATER AND WASTE-WATER TREATMENT
260 _aNEW YORK
_bMCGRAW-HILL BOOK COMPANY
_c1977
300 _a382
999 _c21202
_d21202