00260nam a2200109Ia 4500082001900000100003100019245004700050260002800097300001500125500000500140700000500145  a338.1bB442.AI  aBellerby, J. R. and Others  aAgriculture and industry relative incomeb  aLondonbMacmillanc1956  axii, 370p.  a  a