@article{collins1987,
  title={Pollination biology of the Proteaceae in Australia and southern Africa},
  author={Brian Collins and Tony Rebelo},
  year={1987},
  journal={Australian Journal of Ecology},
  doi={10.1111/j.1442-9993.1987.tb00958.x},
  url={https://doi.org/10.1111/j.1442-9993.1987.tb00958.x}
}