1. Perception of contour orientation in the central fovea—I: Short lines;Andrews;Vision Res.,1967
2. Just noticeable differences in slant of test lines as a function of retinal eccentricity;Andriessen;I.P.O. Annual Progress Report,1970
3. Interaction between lines in eccentric vision: contrast threshold and just noticeable difference in slant;Andriessen;I.P.O. Annual Progress Report,1971
4. Properties of human visual orientation detectors: a new approach using patterned afterimages;Atkinson;J. exp. Psychol.,1973
5. Orientational specificity of line interaction in eccentric vision;Beerens;I.P.O. Annual Progress Report,1970