@misc{indiciaed136ed8878d6,
  title = {Prosocial behavior: multilevel perspectives.},
  author = {Louis A Penner and John F Dovidio and Jane A Piliavin and David A Schroeder},
  year = {2005},
  doi = {10.1146/annurev.psych.56.091103.070141},
  url = {https://pubmed.ncbi.nlm.nih.gov/15709940/},
  note = {Source identifier: 15709940}
}