000 00375nam a2200145Ia 4500
008 241226s9999 xx 000 0 und d
020 _a81-219-3657-8
082 _a628
_bPOP
100 _aPopawala, Reena
245 0 _aBasics of environmental studies
260 _aNew Delhi :
_bS Chand & Co Ltd,
_c2013.
300 _a146
365 _a110
650 _aCivil Engineering
999 _c108109
_d108109