Interplanetary Trajectory Encke Method /ITEM/ update 12 C program manual
Interplanetary trajectories Encke method program manual
Lefton, L.↗
Engineering topics
Whitlock, F.
Publications and source records attributed to Whitlock, F..
Item program manual, Fortran IV version
Orbit calculation using Encke perturbation method and Fortran IV programming
FORTRAN↗