@misc{indiciaef6950282d0b4,
  title = {From geons to structure. A note on object representation.},
  author = {E Leeuwenberg and P Van der Helm and R Van Lier},
  year = {1994},
  doi = {10.1068/p230505},
  url = {https://pubmed.ncbi.nlm.nih.gov/7800466/},
  note = {Source identifier: 7800466}
}