000 00341 a2200145 4500
999 _c187520
_d187520
008 180421b xxu||||| |||| 00| 0 eng d
020 _a9788179935712
084 _2cc
_aG:55
100 _aAhluwalia, V.K
245 _aEnvironmental studies/
250 _a2
260 _bTeri Press,
_c2016
_aNew Delhi
300 _b251p.
942 _cGEN