@misc{indiciaed99948894d75,
  title = {Testing mutualism: a commentary on Clements \& Stephens},
  author = {G Roberts},
  year = {1997},
  doi = {10.1006/anbe.1996.0378},
  url = {https://pubmed.ncbi.nlm.nih.gov/9236032/},
  note = {Source identifier: 9236032}
}