Geldenhuys, T., M. Joubert, S. Viljoen, and T. Hanekom. “Two-Dimensional Generator Function for the Vector Cardiogram for Use in Volume Conduction Models of the Thorax”. Suid-Afrikaans Tydskrif Vir Natuurwetenskap En Tegnologie / <i>South African Journal of Science and Technology</I&gt;, Vol. 25, no. 3, Sept. 2006, pp. 127-3, doi:10.4102/satnt.v25i3.153.