@misc{indiciaef55cffeab570,
  title = {Introduction.},
  author = {James P Allen and David B Knaff},
  year = {2004},
  doi = {10.1023/b:pres.0000036887.30792.83},
  url = {https://pubmed.ncbi.nlm.nih.gov/16034526/},
  note = {Source identifier: 16034526}
}