000 00278 a2200109 4500
001 63127
082 _a621.382 CAN
090 _c37294
_d37294
100 _aCannon, Don L.
245 _aunderstanding communication systems
260 _aDallas
_bTexas Instruments, Dallas
_c1984
942 _aNUST-CAE
_k621.382 CAN
999 _c298200
_d298200