Penna, Michael A., 1945- Projective geometry and its applications to computer graphics/ Michael A. Penna, Richard R. Patterson. - Englewood Cliffs, N.J.: Prentice-Hall, c1986. - xi, 403 p.: ill.; 25 cm. Includes index. Bibliography: p. 394-395. ISBN: 0137306490 : LCCN: 85016690 Nat. Bib. No.: GB88-24936 Subjects--Topical Terms: Geometry, Projective.Computer graphics. Dewey Class. No.: 516.5 / P412p