Williams, R. F The shoot apex and leaf growth : a study in quantitative biology / R. F. Williams. - Cambridge : Cambridge University Press, 1974. - vii, 256 p. : ill. ; 24 cm. Includes indexes. Bibliography: p. 245-250. ISBN: 0521204534 Subjects--Topical Terms: Shoots (Botany).Leaves--Growth.Phyllotaxis.Growth (Plants).