Steps from outer to inner conflict viewed as superego precursors.

@article{Kennedy1982StepsFO,
  title={Steps from outer to inner conflict viewed as superego precursors.},
  author={Hubert Kennedy and Clifford Yorke},
  journal={The Psychoanalytic study of the child},
  year={1982},
  volume={37},
  pages={221-8}
}