Experimental evidence for agent-patient categories in child language.

@article{Angiolillo1982ExperimentalEF,
  title={Experimental evidence for agent-patient categories in child language.},
  author={C J Angiolillo and Susan Goldin-Meadow},
  journal={Journal of child language},
  year={1982},
  volume={9 3},
  pages={627-43}
}