000 00289pam a2200121 a 4500
020 _c
041 _aeng
100 _aHammer .M.J.
245 _aWater And Waste Water Technology
_hTextual Documents
260 _aNew Delhi
_bPrentice Hall Of India
_c1987
300 _a550p.
930 _a13713
999 _c90614
_d90614