Boerne, G., Hatfield, R. 1994. Energy and mass transportation. University of Cape Town.

Boerne, G., & Hatfield, R. (1994). Energy and mass transportation University of Cape Town ,Faculty of Engineering & the Built Environment ,Energy and Development Research Centre. Retrieved from http://hdl.handle.net/11427/23858

Boerne, Geoffrey, and Richard Hatfield Energy and mass transportation. University of Cape Town ,Faculty of Engineering & the Built Environment ,Energy and Development Research Centre, 1994. http://hdl.handle.net/11427/23858

Boerne G, Hatfield R. Energy and mass transportation. 1994 [cited yyyy month dd]. Available from: http://hdl.handle.net/11427/23858