000 003010000a22001330004500
245 _aModern communication circuits
100 _aSmith, Jack
260 _aNew York
_bMcGraw Hill
_c1986
300 _axix, 557p.
020 _a0070587302
080 _a621.396.6
_bS6
041 _aEN
942 _cBK
999 _c62657
_d62657