@misc{indiciaec7adf0ce7862,
  title = {Importance of relative width differences and instructions on shape constancy performance.},
  author = {D W Kaess},
  year = {1978},
  doi = {10.1068/p070179},
  url = {https://pubmed.ncbi.nlm.nih.gov/652475/},
  note = {Source identifier: 652475}
}