Winfree, Arthur T. The geometry of biological time : with 290 illustrations / [by] Arthur T. Winfree. - New York : Springer-Verlag, c1980. - xiii, 530 p. : ill. ; 25 cm. - Biomathematics ; v. 8 . Includes index. Bibliography: p. 459 - 507. ISBN: 0387093737 LCCN: 19-12375 Subjects--Topical Terms: Biological rhythms--Mathematics.