Pitter, Keiko Using Lotus 1-2-3 release 2.2 / Keiko Pitter and Richard Pitter - New York : McGraw-Hill, c1990. - xv, 416 p. ; ill. ; 25 cm. ISBN: 0070502587 LCCN: Subjects--Topical Terms: SpreadsheetComputer softwareComputer science LC Class. No.: HF5548.4 / .L67P58 1990 Dewey Class. No.: 650/.0285/536920 / K27u