@article{happold1967,
  title={Biology of the jerboa, <i>Jaculus jaculus butleri</i> (Rodentia, Dipodidae), in the Sudan},
  author={David Happold},
  year={1967},
  journal={Journal of Zoology},
  doi={10.1111/j.1469-7998.1967.tb02114.x},
  url={https://doi.org/10.1111/j.1469-7998.1967.tb02114.x}
}