Stanislaw Olszewski & Tadeusz Kwiatkowski 2021. Determination of Phase-Space Areas of the Body Motion in the Solar System Deduced from the Bohr-Sommerfeld Atomic Theory and Approximate Invariance of Their Ratios for the Pairs of Planets and Satellites. Newest Updates in Physical Science Research Vol. 14. (Aug. 2021), 61–75. DOI:https://doi.org/10.9734/bpi/nupsr/v14/1757C.