000			00347nam a2200133Ia 4500
100			_aTandon, B. C.
520			_aBackground to the problem of human environment
942			_cBK
654			_a
245			_aEnvironment and entrepreneur
260			_aAllahabad _bChugh Publications _c1975
082			_a338.72
300			_bHb _c21.8 cm _ax, (2), 132
999			_c387701 _d387701
041			_aeng