Roubik, David W. 1951- Ecology and natural history of tropical bees / David W. Roubik. - Cambridge [Cambridgeshire] ; New York : Cambridge University Press, 1989. - x, 514 p. : ill. ; 24 cm. - Cambridge tropical biology series . Includes indexes. Bibliography: p. 421-485. ISBN: 9780521429092 Subjects--Topical Terms: Bees--Tropics.Insects--Tropics. Dewey Class. No.: 595.799 ROU