000			00351nam a2200157Ia 4500
008			131111s9999 xx 000 0 und d
020			_a9780669162776
100			_aLarson,Roland E.
245			_aPrecalculus
260			_aLexington
260			_bD.C.Heath
260			_c1989
300			_a880p.
650			_aEconomics _aAlgebra
763			_a15253
999			_c48134 _d48134