000 00283nam a22001217a 4500
999 _c42510
_d42510
003 OSt
100 _aSingh, Sohini
245 _aBasic Environmental Science for Under Graduates
260 _aNew Delhi
_bVayu Education
_c2014
300 _a266p.
901 _a1552DON
942 _2ddc
_cBK