00948nam0-2200277---450-99000984432040332120140404130605.0000984432FED01000984432(Aleph)000984432FED0100098443220140401d1961----km-y0itay50------baengTHa-------001yyEarthmoving by manual labour and machinesreport and discussion papers of the Working Party on earthmoving operationsUnited Nations, Economic Commission for Asia and Far EastBangkokUnited Nations1961VIII, 114 p., 1 c. di tav.ill.28 cmNazioni Unite.Economic Commission for Asia and Far East494276ITUNINARICAUNIMARCBK990009844320403321T 4/327349DINGEDINGEEarthmoving by manual labour and machines826378UNINA