@misc{indiciaec49a39438c69,
  title = {Children's building bricks for three-dimensional illustrations.},
  author = {R Sunderland},
  year = {1980},
  doi = {10.1016/s0140-6736(80)90211-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/6107534/},
  note = {Source identifier: 6107534}
}