Manual labour and its more effective use in competition with machines for earthwork in the ECAFE region / report by the Secretariat
1957
Files
Notice détaillée
SymboleE/CN.11/WRD/Conf.3/L.1
TitreManual labour and its more effective use in competition with machines for earthwork in the ECAFE region / report by the Secretariat
AccèsEnglish: E_CN.11_WRD_Conf.3_L.1-EN - PDF ;
Date[New York] : UN, 22 Oct. 1957
Description
64 p.