• Value at risk and extreme value theory : application to the Johannesburg Securities Exchange 

      Williams, R.; Van Heerden, J. D.; Conradie, W. J. (Bureau for Economic Research, 2018)
      Value at Risk (VaR) has been established as one of the most important and commonly used financial risk management tools. Nevertheless, the attractive features and wide-spread use of VaR could not help to avoid a number of ...
    • Simulation of a coal stacking process using an online X-Ray Fluorescence analyser 

      Rossouw, R. F.; Coetzer, R. L. J.; Le Roux, N. J. (Operations Research Society of South Africa (ORSSA), 2018)
      The Sasol Coal Value Chain is a complex system consisting of blending, stacking and reclaiming of no fewer than six different coal sources with vastly different coal qualities. The amount and quality of the gas produced ...
    • The bells of the Stellenbosch Moederkerk 

      De Wet, Tertius; Teugels, Jef L.; Van Deventer, Pieta (Church History Society of Southern Africa, 2018)
      The Dutch Reformed Moederkerk of Stellenbosch has a long history, being the second oldest congregation of the Dutch Reformed Church in South Africa. The history of the church has been well documented, including the ...