Gregorian reform of the calendar
Subtitle: proceedings of the Vatican conference to commemorate its 400th anniversary, 1582-1982
By: edited by G.V.Coyne, M.A. Hoskin and O. Pedersen.
Contributors: Coyne, George V.; Hoskin, Michael.; Pedersen, O.
Publisher: Specola Vaticana
Published: 1983
Place of publication: Citta   del Vaticana
Language: eng