000 00450nam a22001817a 4500
008 160831b xxu||||| |||| 00| 0 eng d
020 _a9788170358237
082 _a574.52
100 _aKhanna, D. R.
110 _aChopra, A. K.
245 _aEnvironmental Technology
260 _aNew Delhi
_bDaya Publishing House
_c2013
300 _a325 pp
710 _aMatta, G.
710 _aSingh, V.
710 _aBhutiani, R.
942 _2ddc
_cB
999 _c89901
_d89901