002890000a220008500045001000027000002450090000273000052001177000018001697730016001871 aBandoch, William V. Jr10aThe end of the world as we know it? Is new technology rendering human labor obsolete?  aVol. 47, Num 3 (Marzo, 1997), Páginas 158-1591 aBlock, Walter0 tThe Freeman