Wanke, H., A. Dunkeloh, P. Udluft, and A. Wanke. “A Distributed Water Balance Model to Estimate Direct Groundwater Recharge: A Case Study from the Nhoma and Khaudum Catchments, Namibia”. International Science and Technology Journal of Namibia, July 2014, pp. 011-32, https://journals.unam.edu.na/index.php/ISTJN/article/view/1133.