00829nam0-22003131i-450-99000385474040332120080115101243.092-2-103068-7000385474FED01000385474(Aleph)000385474FED0100038547420030910d1982----km-y0itay50------baitaITTechnologies for basic NeedsHans SingerGenevaInternational Labour Office1982.x, 161 p.25 cmProduttivitàG/1.3G/1.4Singer,Hans Wolfgang118130ITUNINARICAUNIMARCBK990003854740403321G/1.3 SIN/15053SESSESTechnologies for basic Needs455387UNINA