@misc{indiciae28b4a23ca652,
  title = {Attachments beyond infancy.},
  author = {M D Ainsworth},
  year = {1989},
  doi = {10.1037//0003-066x.44.4.709},
  url = {https://pubmed.ncbi.nlm.nih.gov/2729745/},
  note = {Source identifier: 2729745}
}