@misc{indiciae4604ef9f3fa3, title = {The Inversion Illusion in Parabolic Flight - Its Probable Dependence on Otolith Function}, author = {Graybiel, A. and Kellogg, R. S.}, year = {1966}, url = {https://ntrs.nasa.gov/citations/19660026484}, note = {Source identifier: 19660026484} }