Hibberd, A., de Villiers, M., Dukiewicz, R. 1996. Methodology for the establishment of a subsidised national energy audit scheme. Part 3/3: Energy use in the South African clay brick industry. University of Cape Town.

Hibberd, A. C. M., de Villiers, M. G., & Dukiewicz, R. K. (1996). Methodology for the establishment of a subsidised national energy audit scheme. Part 3/3: Energy use in the South African clay brick industry University of Cape Town ,Faculty of Engineering & the Built Environment ,Energy Research Institute. Retrieved from http://hdl.handle.net/11427/23822

Hibberd, A C M, M G de Villiers, and R K Dukiewicz Methodology for the establishment of a subsidised national energy audit scheme. Part 3/3: Energy use in the South African clay brick industry. University of Cape Town ,Faculty of Engineering & the Built Environment ,Energy Research Institute, 1996. http://hdl.handle.net/11427/23822

Hibberd ACM, de Villiers MG, Dukiewicz RK. Methodology for the establishment of a subsidised national energy audit scheme. Part 3/3: Energy use in the South African clay brick industry. 1996 [cited yyyy month dd]. Available from: http://hdl.handle.net/11427/23822