00517pamaa2200169 4500 0000020063 20060421090000.0 0300065124 155.7 MAZ 1993 BF444 MAZ 1993 MAZLISH The fourth discontinuity : the co-evolution of humans and machines Bruce Mazlish. New Haven: Yale University Press, 1993. ix, 272p.; 24cm. Human information processing Man-machine systems Artificial intelligence