The surrogate functions of lines in visual perception: evidence from antipodal rock and cave artwork sources.

@article{Kennedy1974TheSF,
  title={The surrogate functions of lines in visual perception: evidence from antipodal rock and cave artwork sources.},
  author={John M. Kennedy and Jerry Silver},
  journal={Perception},
  year={1974},
  volume={3 3},
  pages={313-22}
}