000			00328nam a2200133Ia 4500
008			150331s2012 xx 000 0 und d
020			_a9789350143346
100			_aSoni, S. K.
245			_aEnvironmental engineering- I
250			_a2nd
260			_bS. K. Kataria, and Sons Delhi _c2012
300			_a262
942			_2ddc _cBK _01
999			_c2077 _d2077