00759nam0-2200289---450-99000950788040332120120110110317.0978-0-262-00274-5000950788FED01000950788(Aleph)000950788FED0100095078820120110d2006----km-y0itay50------baengUS--------001yyDemocratizing innovationEric Von HippelCambridgeMIT2006X; 204 p.23 cmHippel,Eric : von107444ITUNINARICAUNIMARCBK9900095078804033210-7-156-TI9730ECAECADemocratizing innovation850955UNINA