000 00314pam a2200121a 44500
010 _a58009425
082 _a530.1
_bP42P
100 _aPerrine, James Owen
245 1 _aPHYSICS AND MATHEMATICS IN ELECTRICAL COMMUNICATION
260 _a
_bJohn F. Rider Publisher Inc.
_c1958
964 _gCIRC
997 _a3927 s C
999 _c409808
_d409808