Cowan, Richard S. A monograph of the genus Eperua (Leguminosae: Caesalpinoidea). - Washington : Smithsonian Institution, 1975. - 45 p. : : ilus. - Smithsonian contributions to botany ; 28 . - Smithsonian contributions to botany ; 28 . LCCN: 31274 Subjects--Topical Terms: Eperua.