@misc{indiciae75d2ef4ced5b,
  title = {Developmental differences in giving directions: spatial frames of reference and mental rotation.},
  author = {R J Roberts and C J Aman},
  year = {1993},
  url = {https://pubmed.ncbi.nlm.nih.gov/8404267/},
  note = {Source identifier: 8404267}
}