Astronomical Formulae for Calculators (Monografieen over Astronomie en Astrofysica Vol. 4) von Meeus, Jean: Good Softcover (1980) | Paderbuch e.Kfm. Inh. Ralf R. Eichmann
GitHub - shawnlauzon/meeus: Implementation of "Astronomical Algorithms, 2nd ed." by Jean Meeus
GitHub - yamad/meeus: Code for Jean Meeus' Astronomical Algorithms