@misc{indiciae5fe910719005,
  title = {Three experiences affecting spatial discrimination learning by ambulatory children.},
  author = {C D Heth and E H Cornell},
  year = {1980},
  doi = {10.1016/0022-0965(80)90061-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/7430943/},
  note = {Source identifier: 7430943}
}