TY - RPRT TI - The kinetic depth effect and optic flow--II. First- and second-order motion. AU - M S Landy AU - B A Dosher AU - G Sperling AU - M E Perkins PY - 1991 DO - 10.1016/0042-6989(91)90153-v UR - https://pubmed.ncbi.nlm.nih.gov/2035270/ ID - 2035270 ER -