@misc{indiciaeaf9bc02a97da,
  title = {Marginal product pricing in the ecosystem.},
  author = {B Hannon},
  year = {1976},
  doi = {10.1016/s0022-5193(76)80073-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/1271821/},
  note = {Source identifier: 1271821}
}