Vistas in Astronomy · 1975 · 14 citations · 2 references
Natural SciencesAstronomyPhysicsAstrophysicsPlanetary ScienceOrbital ElementsKepler's LawsOrbital GeometryRoche Lobes
2
B. J. Mason · Scientific American · 1961 · 55 citations
Kepler's New Year's Gift of a Snowflake
Cecil J. Schneer · Isis · 1960 · 13 citations