@article{Burger_van Vuuren_2009, title={Scheduling spouse - avoiding mixed doubles round - robin tennis tournaments}, volume={28}, url={http://www.satnt.ac.za/index.php/satnt/article/view/194}, DOI={10.4102/satnt.v28i1.47}, number={1}, journal={Suid-Afrikaans Tydskrif vir Natuurwetenskap en Tegnologie / <i>South African Journal of Science and Technology</i&gt;}, author={Burger, A. and van Vuuren, J.}, year={2009}, month={Sep.}, pages={35-63} }