Aufmann, Richard N. Prealgebra / Richard N. Aufmann, Vernon C. Barker, Joanne S. Lockwood. - 3rd ed. - Boston : Houghton Mifflin, c2002. - xxi, 626, 53 p : ill. (some col.) ; 28 cm. Includes indexes. ISBN: 0618121617 (student text) LCCN: 2001131467 Subjects--Topical Terms: Mathematics. LC Class. No.: QA39.3 / .A94 2002 Dewey Class. No.: 510