TY  - RPRT
TI  - Constant frequency pulsed phase-locked loop measuring device
AU  - Yost, William T.
AU  - Kushnick, Peter W.
AU  - Cantrell, John H.
PY  - 1993
UR  - https://ntrs.nasa.gov/citations/19930019895
ID  - 19930019895
ER  -