Ewusie, J. Yanney . Tropical Biology / Textual Documents J. Yanney Ewusie. - 3rd Rev. ed. / - London : Harrap , C1974. - 300p. : ill ; 24cm . Index ISBN: 0-245-52325-1 Subjects--Index Terms: Biology Biology-Tropical G-Biology Dewey Class. No.: 574.9 / Ew 82 Tr