Reinecke, A., and S. Reinecke. “The Concept of Bioavailability and Establishing Uniform Standards for Permissible Chemical Contamination of Soil”. Suid-Afrikaans Tydskrif Vir Natuurwetenskap En Tegnologie / <i>South African Journal of Science and Technology</I&gt;, Vol. 25, no. 3, Sept. 2006, p. 149-, doi:10.4102/satnt.v25i3.155.