[kastnerkyle]

I found some related papers for others who are interested:

http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.56....

http://bmi.osu.edu/resources/techreports/ahmedBokhariV21.pdf

Also a book:

Space-Filling Curves: An Introduction with Applications in Scientific Computing

by

Michael Bader