00976nam0-22003131i-450-99000787587040332120060217094154.0000787587FED01000787587(Aleph)000787587FED0100078758720040427d1971----km-y0itay50------baengCHa---a---001yyYearbook of labour statistic 1971= Annuaire sed statistiques du travail 1971= Anuario de estadisticas del trabajo 1971International Labour Office31st ed.GenèveInternational Labour Office1971xxiii, 799 p.30 cmStatistiche del lavoro331.021Organizzazione internazionale del lavoro411221ITUNINARICAUNIMARCBK990007875870403321CDI-LS-71-112MASMASYearbook of labour statistic 1971672673UNINA