00310nam a2200109Ia 4500082001700000100003500017245005800052260004000110300001400150500000500164700003100169  a512bD244.AA  aDaus, P. H. and Whyburn, W. M.  aAlgebra with applications to business and economicsb  aMassachusettsbAddison-Wesleyc1964  axi, 354p.  a  aWhyburn, W. M. ; jt. auth.