Portmann, Adolf, 1897-1982. Animal camouflage / by A.J. Pomerans. - Ann Arbor : University of Michigan Press, 1960 [reprinted 1960]. - 111 p. : illus. 22 cm. - Ann Arbor science library . - Ann Arbor science library. . Includes index. Subjects--Topical Terms: Camouflage (Biology) Dewey Class. No.: 591.57 / POA 1960