@misc{indiciae6cb639a6d51c,
  title = {Reason to avoid triangular designs in nonmetric scaling.},
  author = {M H Birnbaum},
  year = {1981},
  doi = {10.3758/bf03207299},
  url = {https://pubmed.ncbi.nlm.nih.gov/7267284/},
  note = {Source identifier: 7267284}
}