000			00370nam a22001337a 4500
008			151020b xxu||||| |||| 00| 0 eng d
082			_223 _a372.357 _bRAI
100			_aRai, A.N.
245			_aA textbook pf environmental studies- 11 _cA.N. Rai.
250			_a2nd ed.
260			_aNew Delhi : _bGoyal Brothers Prakashan , _c2010.
300			_a110 p. ;
942			_2ddc _cBK _019
999			_c930 _d930