Author:
D. Fox Harrell
Sneha Veeragoudar Harrell
Leonardo Electronic Almanac. DAC 09: After Media: Embodiment and Context. Vol. 17, no. 2, January 2012, pp. 74-91.
http://groups.csail.mit.edu/icelab/sites/default/files/pdf/LEA-Vol17-No2-DAC09-Harrell-VeeragoudarHarrell.pdf