00506cam a22001817a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093082001300102100001900115245011600134260003000250300001900280650002500299CHAP20220329135030.0971013s1944            r     00010     d  a29858  a30830  a34942  cCHAP  a333bM3400aMakings, S. M.14aThe economics of poor land and arable farming, based on surveys of difficult farming areas in the East medlands  aLondo :bE. Arnold,c1944  a280 p.b: ilus14aTierrasxEconomía.