LeBlond, Geoffrey T. Using 1-2-3 / by Geoffrey T. LeBlond, Douglas Ford Cobb. - 2nd ed. - Indianapolis, Ind. : Que, 1985. - xx, 534 p. Revised for Release 2 / by Thomas W. Carlton. ISBN: 0880222433 Subjects--Topical Terms: Computer science.Lotus 1-2-3 (Computer program).