000 | 00358 a2200145 4500 | ||
---|---|---|---|
003 | OSt | ||
040 | _cIIT Kanpur | ||
041 | _aeng | ||
082 |
_a657.838 _bW2914 |
||
110 | _aWater Pollution Control Federation | ||
245 | 1 |
_aOperation of waste water treatment plants _cWater Pollution Control Federation |
|
260 | _c1961 | ||
300 | _a178p | ||
942 | _cBK | ||
999 |
_c454184 _d454184 |