cam a22 u 4500 128583479 CHVBK 20200921121504.0 880212s1981 xxk 00 eng|d 0-08-028557-0 (OCoLC)636337997 (NEBIS)000237049 ETH-BIB ger ETH-BIB ETHICS-ISBD QA76.9.I58 U76 1981 001.64/2 19 User-friendly systems ed.: G. Murray Maidenhead Infotech 1981 IV, 439 p. fig.; tab.; diagr. Infotech state of the art report ser. 9, no. 4 S9/4 (NEBIS)000491945 260218936 Bibliographie S. 389-434 Interactive computer systems Human-machine systems COMPUTERNETZWERKE ger (ETHUDK)000034728 ethudk u COMPUTERNETZWERKE ger 004*03*03 nebis E1 u RÉSEAUX D'ORDINATEURS + RÉSEAUX INFORMATIQUES fre 004*03*03 nebis E1 u COMPUTER NETWORKS eng 004*03*03 nebis E1 Murray G. BK020000 XK020000 XK020000 NEBIS E01 E01 MG P 713287: 68 NEBIS 490 -- Infotech state of the art report ser. 9, no. 4 S9/4 (NEBIS)000491945 260218936 NEBIS 700 1- Murray G.