*Miriam Nancy Shields, "The new calendar of the Eastern churches", ''Popular Astronomy'' 32 (1924) 407-411. This is a translation of M. Milankovitch, "The end of the Julian calendar and the new calendar of the Eastern churches", ''Astronomische Nachrichten'' No. 5279 (1924).[http://personal.ecu.edu/mccartyr/orthodox-reform.html] or [http://articles.adsabs.harvard.edu/full/seri/PA.../0032//0000410.000.html]