TY  - BOOK
AU  - Klapper, Jacob  
AU  - Frankle, John T. 
TI  - Phase-locked and frequency-feedback systems: principles and techniques
T2  - Electrical Science Series
SN  - 0-12-410850-4
PY  - 1972///
CY  - New York
PB  - Academic Press
KW  - Frequency-feedback Systems
ER  -