Siever, Norman L Intermediate algebra / Norman L. Siever. - Boston : Houghton Mifflin, c1990. - xvi, [641] p. : ill. ; 24 cm. Includes index. ISBN: 0395453135 (text) Subjects--Topical Terms: Algebra. LC Class. No.: QA154.2 / .S53 1990 Dewey Class. No.: 512.9