@article{smale1981,
  title={Biology of Octopus vulgaris off the east coast of South Africa},
  author={M. J. Smale and P. R. Buchan},
  year={1981},
  journal={Marine Biology},
  doi={10.1007/bf00397061},
  url={https://doi.org/10.1007/bf00397061}
}