1. Waste minimisation club 1 in metal finishing industry;Barclay,2001
2. Cleaner production as a tool to minimise the volumes of solid waste arising in small and medium enterprises in the South African metal finishing industry;Janisch,2000
3. Binnie & Partners Consulting Engineers. Water and wastewater management in the metal finishing industry. Water Research Commission, project no. 145, Pretoria, South Africa; 1987.
4. Pollution prevention and control technology for plating operations;Cushnie,1994
5. Industrial pollution prevention handbook;Freeman,1995