http://www.scholarpedia.org/article/Chaos
http://en.wikipedia.org/wiki/Information_dimension
http://en.wikipedia.org/wiki/Correlation_dimension
http://en.wikipedia.org/wiki/Hausdorff_dimension
http://www.mathworks.com/matlabcentral/fileexchange/15918
http://www.mathworks.com/matlabcentral/fileexchange/233-let
http://www.pas.rochester.edu/~advlab/Final-Paper2007/DALLAN_ChaosFaucet.htm http://www.scholarpedia.org/article/Hyperchaos