@misc{indiciae364abb43dc7c,
  title = {Coevolution of functionally constrained characters: prerequisites for adaptive versatility.},
  author = {G P Wagner},
  year = {1984},
  doi = {10.1016/0303-2647(84)90015-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/6743793/},
  note = {Source identifier: 6743793}
}