Riddle, Douglas F. Analytic geometry / Douglas F. Riddle. - Sixth edition - xvii, 473 pages : illustrations ; 25 cm. Includes index. ISBN: 0534948545 (acidfree paper) 9812657673 9789812657671 LCCN: 95040781 Subjects--Topical Terms: Geometry, Analytic. LC Class. No.: QA551 / .R48 2006 Dewey Class. No.: 516.3