A ''Hummingbird'' for the L2 lunar libration point
Mathematical analysis of lunar libration point for anchoring communications satellite to backside of moon
LUNAR SATELLITE↗
Engineering topics
Vonbrun, F. O.
Publications and source records attributed to Vonbrun, F. O..
Space trajectories and errors in time, frequency, and tracking station location
Influence on trajectory determination of error in tracking station location and station time and frequency synchronization
TRACKING STATION↗