000 00438nam a2200109Ia 45e0
008 121231n2011 ii |||gr||||Z||||||eng
100 _aKhanna, D. R,
_eAuthor.
245 0 _aWater and Wastewater Management (Vol.2)
_cD. R. Khanna
_hTextual Documents
260 _aDelhi
_bDaya Publishing House
_c2011
300 _a343 to 694.
942 _2ddc
_cTXT
999 _c9850
_d9850