Bohuslov, Ronald L. Analytic geometry; a precalculus approach. - New York Macmillan 1970. - xi, 393 p. illus. 24 cm. LCCN: 76085119 //r89 Subjects--Topical Terms: Geometry, AnalyticVector analysis. LC Class. No.: QA551 / .B654 Dewey Class. No.: 516