Perpetual Calendar Authors Imre Auersbacher Publication The RAMTOP Pub Details The RAMTOP Aug 1986 Date August 1986 Pages 4 Read the article See all articles from The RAMTOP Aug 1986 Products Downloadable Media View Perpetual Calendar 2068 details Related Articles Image Gallery Source Code Tags The RAMTOP Downloadable TS 2068 Type-in program People Imre Auersbacher
