Cremona, Luigi 1830-1903. Elements of projective geometry/ Translated by Charles Leudesdorf. - 3d ed. - New York: Dover, [1960]. - 302 p.: illus.; 21 cm. LCCN: 61001260 /L/r84 Subjects--Topical Terms: Geometry, Projective. Dewey Class. No.: 516.1 / C915e