@misc{indiciae141f4d5d9c22,
  title = {A cognitive perspective on object relations, drive development and ego structure in the second and third years of life.},
  author = {J A Posener},
  year = {1989},
  url = {https://pubmed.ncbi.nlm.nih.gov/2606598/},
  note = {Source identifier: 2606598}
}