Referenties 


Deze presentatie en verwante links
http://willem.engen.nl/uni/comm/fractals/





Figuren en animaties:
The Chaos Hypertextbook
http://hypertextbook.com/chaos/
Xaos
http://www.paru.cas.cz/~hubicka/XaoS
The snowflake curve
http://www.scidiv.bcc.ctc.edu/Math/Snowflake.html