@misc{indiciaec7eec464b6c9,
  title = {Recovering heading for visually-guided navigation.},
  author = {E C Hildreth},
  year = {1992},
  doi = {10.1016/0042-6989(92)90020-j},
  url = {https://pubmed.ncbi.nlm.nih.gov/1509710/},
  note = {Source identifier: 1509710}
}