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Calendrical Calculations

• alexsdev 8mo ago
  [dead]
• turtleyacht 8mo ago
  Calendrical Calculations (1997): https://archive.org/details/calendricalcalcu0000ders_t7q0/page/n6/mode/1up https://archive.org/details/calendricalcalcu0000ders_t7q0/pa...