TY  - BOOK
AU  - Kennedy,George
AU  - Tinnell,R.W.
TI  - Electronic communication systems
SN  - 0070340528
AV  - TK5101 .K39 1977
U1  - 621.38 
PY  - 1970///
CY  - Tokyo
PB  - McGraw-Hill
KW  - Telecommunication
N1  - Includes bibliographical references and index
ER  -