TY  - BOOK
AU  - Hamsher,Donald H.
TI  - Communication system engineering handbook
SN  - 070259607
AV  - TK5101 .H26
U1  - 621.381/1 
PY  - 1967///]
CY  - New York
PB  - McGraw-Hill
KW  - Telecommunication systems
KW  - Electronics
N1  - Includes bibliographies
ER  -