TY  - BOOK
AU  - Kroupa,Venceslav F.,1923-
TI  - Frequency stability : fundamentals and measurement
SN  - 0879421711
U1  - TK/381 
PY  - 1983///
CY  - New York
PB  - The Inst. of Electrical and Electronic Engineers
KW  - Frequency stability.
ER  -