000 00274pam a2200121a 44500
082 _a621.38
_bAL1e3
100 _aAlbert, Arthur Lemuel
245 1 _aELECTRICAL COMMUNICATION
260 _aN. Y.
_bJohn Wiley
_c1934
300 _a448
964 _gCIRC
997 _a24005 C
999 _c416392
_d416392