TY  - BOOK
AU  - Downing, John J.
TI  - Modulation systems and noise /by John J. Downing
T2  - Prentice-Hall International Series in Electrical Engineering
U1  - 621.380436 
PY  - 1964///
CY  - Englewood Cliffs
PB  - Prentice-Hall
ER  -