Dybvig, Philip H. Personal computing for managers with Lotus 123 / Philip H. Dybvig - California : The Scientific, c1986. - xiv,226 p. : 28 cm. Includes Index ISBN: 0894260758 Subjects--Topical Terms: SpreadsheetLotus 123Computer science LC Class. No.: QA76.5 / .P3615 1986 Dewey Class. No.: 005.3 / D994p