000 00354nam a2200145Ia 4500
008 241226s9999 xx 000 0 und d
020 _a0
082 _a372.357
_bBHA
100 _aBhatt, B. K.
245 0 _aEnvironmental studies
260 _aSuart :
_bPopular Prakashan,
_c2009.
300 _a415
365 _a130
650 _aEnvironmental Science
999 _c115706
_d115706