@misc{indiciae6d09ac833825,
  title = {Theories in Progress.},
  author = {Peter Killeen and Armando Machado},
  year = {2003},
  doi = {10.1016/s0376-6357(03)00014-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/12729978/},
  note = {Source identifier: 12729978}
}