00504nam a2200181Ia 4500082002400000100004800024245003600072250000900108260002600117300001700143500000500160690000600165700000500171952010500176964001700281921000900298999001500307  a338.109438bIn61.PC  aInstitute of Agricultural economics, Warsaw  aPolish countryside in figuresb  a3rd.  aWarsawbPoloniac1954  axxxvi, 275p.  a  a   a  00104070aISIbISId1998-08-17l0o338.109438 In61.PCpDP7263r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a4636  c4636d4636