@misc{indiciaeae47fcb083b6, title = {Perceived relative depth from velocity gradients: a model.}, author = {M L Braunstein and G J Andersen}, year = {1981}, doi = {10.1016/0001-6918(81)90061-5}, url = {https://pubmed.ncbi.nlm.nih.gov/7306263/}, note = {Source identifier: 7306263} }