000 00316 a2200085 4500
100 1 _aFroehlich, J. P..
_eAutor
245 0 _aInformation Transmittal and Communicating Systems /
_cFroehlich J. P..
710 2 _aHolt, Rinehart and Winston.
_eWydawca
_4pbl
260 _aNew York :
_bHolt, Rinehart and Winston,
_c1969.
300 _aX, 274 s.;
_c25 cm.
999 _c5481
_d5481