@misc{indiciae5fa251a19ce7,
  title = {Pica: A hypothesis.},
  author = {B von Bonsdorff},
  year = {1977},
  doi = {10.1111/j.1365-2141.1977.tb00611.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/557984/},
  note = {Source identifier: 557984}
}