BattroA Mdi Pierro NettoSRozestratenJ A, 1976“Riemannian geometries of variable curvature in visual space: Visual alleys, horopters, and triangles in big open fields”Perception59–23.
2.
BattroA MRegginiH CKartsC, 1978“Perspectives in open spaces: A Geometrical application of the Thouless index”Perception7583–588.
3.
BlumenfeldW, 1913“Untersuchungen über die scheinbare Grösse im Sehraume”Zeitschrift für Psychologie65241–404.
4.
CuijpersR HKappersAMLKoenderinkJ J, 2000“Large systematic deviations in visual parallelism”Perception291467–1482.
5.
IndowTWatanabeT, 1984a“Parallel-alleys and distance-alleys on horopter plane in the dark”Perception13165–182.
6.
IndowTWatanabeT, 1984b“Parallel- and distance-alleys with moving points in the horizontal plane”Perception & Psychophysics35144–154.
7.
KoenderinkJ Jvan AJDoornLappinJ S, 2000“Direct measurement of curvature of visual space”Perception2969–79.
8.
WagnerM, 1985“The metric of visual space”Perception & Psychophysics38483–495.