1. Department of Trade and Industry, “http://www.thedti.gov.za/,” 2017. [Online]. Available: http://www.thedti.gov.za/DownloadFileAction7icN1170/DownloadFileAction7icN1170. [Accessed 06 2017].
2. I. Izdebska-Szanda, A. Balisnki, “New generation ecological silicate binders,” Procedia Engineering, 10, pp. 887–893, 2011.
3. M. Stachowicz, K. Granat, D. Nowak, K. Haimann, “Effect of hardening methods of moulding sands with water glass on structure of bonding bridges,” Archives of Foundry Engineering 10, pp. 123–128, 2010.
4. J. Campbell, Complete casting handbook, 1st edition, Elsevier, Butterworth-Heinemann, pp 923–930, 2011.
5. S. Dobosz, P. Jelinek, K. Major-Gabrys, “Development tendencies of moulding and core sands,” China Foundry, 8, (4), 438–446, 2011.