Shaw, I. “Analogies Between Processes in Physiology and Engineering”. Suid-Afrikaans Tydskrif Vir Natuurwetenskap En Tegnologie / <i>South African Journal of Science and Technology</I&gt;, Vol. 21, no. 2, Sept. 2002, pp. 60-74, doi:10.4102/satnt.v21i2.229.