000 00336nam a2200133Ia 4500
100 _aWalter R Beam
020 _a0-07-004249-7
654 _aENGINEERING
942 _cBK
245 _aCommand, control, and communications systems engineering
260 _aMcGraw - Hill, New York
_cc1989
082 _a621.3811 Bea
300 _axii,339p
999 _c31121
_d31121