Onyett, Lloyd Essentials of lotus 1-2-3 release 2.3 / Lloyd Onyett and Gail Onyett - Cambridge : Course Technology, c1992. - xii, 298 p. ; ill. ; 25 cm. ISBN: 1878748904 LCCN: Subjects--Topical Terms: SpreadsheetComputer softwareComputer science LC Class. No.: HF5548.4 / .L67O59 1992 Dewey Class. No.: 005.3 / O58e