000 00372 a2200085 4500
100 1 _aGregg, W. David.
_eAutor
245 0 _aAnalog and Digital Communication :
_bConcepts, Systems, Applications and Services in Electrical Dissemination of Aural, Visual and Data Information /
_cGregg W. David.
710 2 _aWiley.
_eWydawca
_4pbl
260 _aNew York :
_bWiley,
_c1977.
300 _aXIX, 603 s.;
_c25 cm.
999 _c5726
_d5726