000 00316nam a2200121Ia 4500
008 170101s2014 xx 000 0 und d
082 _a577 AGA
100 _aAgarwal, Divya
245 0 _aTextbook of environmental science
260 _aNew Delhi
_bDaya Publishing House
_c2014
300 _a236p.
942 _2ddc
_cBK
999 _c348231
_d348231