@misc{indiciae2d20912ef5b0,
  title = {Contour interaction function in the preschool child.},
  author = {R E Manny and K D Fern and D S Loshin},
  year = {1987},
  doi = {10.1097/00006324-198709000-00007},
  url = {https://pubmed.ncbi.nlm.nih.gov/3688189/},
  note = {Source identifier: 3688189}
}