00576nam 2200217zu 450 991101573640332120241220033425.0(CKB)37047765800041(EXLCZ)993704776580004120241220|2024uuuu || |Engur|||||||||||Byzantine Easter ComputiBiblioteca Apostolica Vaticana20249788821011108 8821011100 Acerbi Fabio611846BOOK9911015736403321Byzantine Easter Computi4406757UNINA