Williams, Andrew T., 1943- Lotus 1-2-3 release 3 / Andrew T. Williams. - New York : Wiley, c1989. - xxi, 535 p. : ill. ; 24 cm. ISBN: 0471618470 : $22.95 LCCN: 89022406 LC Class. No.: HF5548.4.L67 W523 1989 / W523 1989 Dewey Class. No.: 005.369