000 00373nam a2200145Ia 4500
008 241226s9999 xx 000 0 und d
020 _a978-81-315-1760-4
082 _a628
_bDAV
100 _aDave, D
245 0 _aTextbook of environmental studies
260 _aNew Delhi :
_bCengage Learning,
_c2012.
300 _a369
365 _a275
650 _aCivil Engineering
999 _c102752
_d102752