000 00350nam a2200133Ia 4500
008 250104s9999 xx 000 0 und d
020 _a978-93-81256-62-6
082 _a628
_bSHA
100 _aShah B R.
245 0 _aBasic of environmental studies
260 _aAhmedabad :
_b Mahajan Pub. House
_c2016.
365 _a160
650 _aEngineering,
999 _c231878
_d231878