Woodell, S. R. J. Xerophytes / by S. R. J. Woodell. - London : Oxford University Press, 1973. - 16p. : ill. (some col.) ; - Oxford biology readers ; 39 . Bibliography: p. 16. ISBN: 0199141347 : Subjects--Topical Terms: Xerophytes. Dewey Class. No.: 581.4 / WOO.X