@misc{indiciae9cb4569f7302,
  title = {[Aggression and ego development in groups. A contribution to psychoanalytic aggression theory].},
  author = {G Ammon},
  year = {1973},
  url = {https://pubmed.ncbi.nlm.nih.gov/4573286/},
  note = {Source identifier: 4573286}
}