@misc{indiciaef3a5e5d63211,
  title = {Aggression in childhood. Developmental perspectives.},
  author = {W W Hartup},
  year = {1974},
  doi = {10.1037/h0037622},
  url = {https://pubmed.ncbi.nlm.nih.gov/4847493/},
  note = {Source identifier: 4847493}
}