Gilhuly Terence J, Salcudean Septimiu E, Lichtenstein Samuel V
Dept. of Electrical and Computer Engineering, University of British Columbia, Vancouver, BC, V6T 1Z4, Canada.
IEEE Eng Med Biol Mag. 2003 Jul-Aug;22(4):133-40. doi: 10.1109/memb.2003.1237514.