000			00317nam a2200109Ia 4500
008			170102s9999 xx 000 0 und d
020			_cRs. 225.00
100			_aThatheyyus, A. J.
245			_aTextbook of environmental studies _cThatheyyus, A. J.
260			_aNew Delhi _bNarosa Publishing House _c2006
942			_cBooks
999			_c11519 _d11519