00578cam a2200193   45000010008000000030008000080050017000160080041000330100017000740400027000910500018001180820019001361000026001552450050001812600058002313000027002895040053003166500015003693581440BD-DhUL20160504174746.0800909s1937    enk      b    000 0 eng    a   38002300   aDLCcDLCdDLCdBD-DhUL00aHB171.5b.R7500a330.1219bROE1 aEric Rolld1907-2005.00aElements of economic theory /cErich Roll ...  aLondon :bH. Milford, Oxford university press,c1937.  aviii, 276 p. "c19 cm.  aIncludes bibliographical references  and  index. 0aEconomics.