Thomas, George B. Calculus and analytic geometry / George B. Thomas and Ross L. Finney ; with the collaboration of Maurice D. Weir. - 6th ed. - New Delhi : Narosa Publishing House, c1984 [Reprinted 1995]. - various pages : illustrations ; 26 cm. Includes index. ISBN: 818501552x Subjects--Topical Terms: Calculus.Geometry, Analytic. Dewey Class. No.: 515.15 THO