00330cam a22001217a 4500 180718b1977 xxu||||| |||| 00| 0 eng d 9221017737 T2 In8t Singer, Hans Technologies for basic needs by Hans Singer Geneva International Labour Office 1977 158+p 497445 497445 0 0 0 0 IIPA IIPA 2018-08-04 T2 In8t G14355 2018-08-04 2018-08-04 G