Ann. N.Y. Acad. Sci. 497, 117 (1987)https://ireap.umd.edu/10.1111/j.1749-6632.1987.tb48717.x1987
Celso
Grebogi
Edward
Ott
James A.
Yorke
Helena E.
Nusse
Journal ArticleComplex and Emergent Systems Top