@article{van Wilgen_2019, title={A tale of unusual dedication: The lives of JLB and Margaret Smith}, volume={115}, url={https://sajs.co.za/article/view/5940}, DOI={10.17159/sajs.2019/a0301}, number={1/2}, journal={South African Journal of Science}, author={van Wilgen, Brian W.}, year={2019}, month={Jan.} }