Rosenfeld, Azriel. Picture processing by computer - New York : Academic Press, 1969 - 196 p. : ilus. - Computer science and applied mathematics . - Computer science and applied mathematics . LCCN: 52936 Subjects--Topical Terms: Computadoras.Fotografía.Procesos fotomecánicos. Dewey Class. No.: 770.28 / R6