Bifurcations in One Dimension. I. The Nonwandering Set. Leo Jonker, David Rand (1980/1981) Inventiones mathematicae
Bifurcations in One Dimension. II. A Versal Model for Bifurcations. Leo Jonker, David Rand (1981) Inventiones mathematicae
Braiding of the attractor and the failure of iterative algorithms. Curt McMullen (1988) Inventiones mathematicae