About FEINER S
About Columbia Univ., NY
About MACINTYRE B
About Columbia Univ., NY
About SELIGMANN D
About AT&T Bell Lab., NJ
About Communications of the ACM (Association for Computing Machinery)
About man-machine system
About virtual reality
About Man-machine system
About I/O units
About 知識ベース
About 現実
About 補完