000 00268nam a22001217a 4500
003 OSt
100 _aSingh, K.K
245 _aDictionary of Environmental Science
250 _a1st Ed.
260 _aNew Delhi
_bAPH Publishing
_c2014
300 _a160p.
942 _2ddc
_cBK
999 _c4094
_d4094