Heyer, W. Ronald, Studies in larval amphibian habitat partitioning / by W. Ronald Heyer. - Washington : Smithsonian Institution Press, 1976. - iii, 27 pages : illustrations ; 26 cm. - Smithsonian contributions to zoology ; no.242. . Bibliography: page 26-27. Subjects--Topical Terms: Tadpoles.Habitat partitioning (Biology).Amphibians--Ecology.