00561nam a22001697a 4500008004100000020002600041040004200067084002200109100002800131245005300159260004400212300002900256500001900285650003900304650002200343700002600365260603s1989    -us||||g |||| 001 0 eng d  a0874551889qpaperback  aUniversiti Teknologi BruneibengcUTB  aHF5548.2 ROB 19891 aRoberts, Ralpheauthor.10aComputer security /cRalph Roberts & Pamela Kane  aUnited States :bCompute! Books,c1989.  avii, 170 pages ;c23 cm.  aIncludes index 4aCommunication and network security 4aPhysical security1 cKane, Pamelaeauthor.