Projective geometry and projective metrics / Herbert Busemann and Paul J. Kelly. Busemann, Herbert, 1905- Kelly, Paul Joseph, joint author. Geometry, Projective. QA3 .P8 vol. 3 516.5 BUP Includes index. Bibliography: p. [323] New York : Academic Press, 1953. 1953. 1953 Text viii, 332 p. : eng Pure and applied mathematics; a series of monographs and textbooks , v. 3 Pure and applied mathematics (Academic Press) ; 3.