@misc{indiciae057f573bbe2f,
  title = {Multifactorial threshold concept.},
  author = {M Melnick and D Bixler},
  year = {1978},
  doi = {10.1002/tera.1420180114},
  url = {https://pubmed.ncbi.nlm.nih.gov/694774/},
  note = {Source identifier: 694774}
}