van der Laan, J. and Vorster, O. 2005. The production of hydrotalcite from magnesite ore as non-toxic heat stabiliser for polyvinyl chloride. Suid-Afrikaans Tydskrif vir Natuurwetenskap en Tegnologie / <i>South African Journal of Science and Technology</i&gt;. 24, 1/2 (Sep. 2005), 17-20. DOI:https://doi.org/10.4102/satnt.v24i1/2.165.