00879nam a22002177a 4500999001700000003000900017005001700026008004100043040003300084082001700117110003500134245005700169260004700226300003900273490008300312504005100395710003800446710003800484942001200522952012700534  c57590d57590BD-DhIDS20260818150315.0260818s1965    sz ||||| |||| 00| 0 eng d  aBD-DhIDScBD-DhIDSdBD-DhIDS  a634.927bECE2 aEconomic Commission for Europe10aRationalization of ploughing operations for drainage  aGeneva:bUnited Nations Publication,c1965  a27p.:bill., graphs, maps;c23 cm.  aJoint Committee on Forest Working Techniques and Training of Forest Workers     aIncludes bibliographical references and index.2 aFood and Agriculture Organization2 aInternational Labour Organization  2ddccBK  00102ddc40708NFICaBIDSLDCbBIDSLDCcGENd2026-08-18o634.927 ECEp025216r2026-08-18tC-01w2026-08-18yBKzAvailable