@misc{indiciae26b0c0e23533, title = {The frequency-modulation feedback system for the lunar-orbiter demodulator.}, author = {Lefrak, F. and Moore, H. and Newton, A. and Ozolins, L.}, year = {1966}, url = {https://ntrs.nasa.gov/citations/19670039379}, note = {Source identifier: 19670039379} }