00333nam a2200121   4500008004100000100002100041245002900062250001300091260004100104300002600145650001500171050002500186720321s1972    ilua          001 0 eng  1 aBrandis, Royall.10aPrinciples of economics.  aRev. ed.  aHomewood, Ill.,bR. D. Irwin,c1972.  axxiii, 878 p.billus. 0aEconomics.00aHB171.5b.B6949 1972