1. Iterated function systems and the global construction of fractals;Barnsley;Proc. Roy. Soc. Lond,1985
2. M. F. Barnsley, V. Ervin, D. Hardin, J. Lancaster, Solution of an inverse problem for fractals and other sets, Georgia Tech preprint (1984).
3. R. Devaney, Exploding Julia sets, this volume.
4. Invariant probabilities for certain Markov processes;Dubins;Ann. Math. Stat.,1966