Gray, Paul. Guide to IFPS : (Interactive Financial Planning System) / Paul Gray. - 2nd ed. - New York : McGraw-Hill, c1987. - xii, 497 pages : illustrations ; 28 cm. Includes index. ISBN: 0070243948 (pbk.) : Subjects--Topical Terms: IFPS (Computer system). Dewey Class. No.: 658.15 GRA