000			00328nam a2200133Ia 4500
001			124118
008			170722s9999 xx 000 0 und d
020			_a0074601261
100			_aGupta, Gs
245			_aManagerial economics. 1990 /
260			_aDelhi : _bTata McGraw Hill , _c1990.
300			_a271 p. _c21cms
942			_cGEN
999			_c121056 _d121056