[1]
M. D. Cramer, J. von Holdt, L. Khomo, and J. J. Midgley, “Evidence for aeolian origins of heuweltjies from buried gravel layers”, S. Afr. J. Sci., vol. 112, no. 1/2, p. 10, Feb. 2016, doi: 10.17159/sajs.2016/20150025.