TY  - BOOK
AU  - Black,Harold S.
TI  - Modulation theory
T2  - Bell Telephone Laboratories series
U1  - 621.384152 
PY  - 1953///[ printed 1966]
CY  - New York
PB  - Van Nostrand
KW  - Modulation theory
KW  - Telecommunication
N1  - Includes index
ER  -