1. AIKEN, L. S., & BROWN, D. R. Visual form perception: Congruence among spatial configurations. Perception & Psychophysics, 1969a, 5, 155–160.
2. AIKEN, L. S., & BROWN, D. R. A spatial analysis of the discriminability of forms in noise. Perception & Psychophysics, 1969b, 5. 171–175.
3. AIKEN, L. S., & BROWN, D. R. Visual form perception: Task demands and congruence among spatial solutions. Psychonoinic Sciences, 1969c., 15, 219–220.
4. AIKEN, L. S., & BROWN, D. R. A feature utilization analysis of the perception of pattern class structure. Perception & Psychophysics, 1971, in press.
5. AIKEN, L. S., & BROWN, D. R., & BERNSTEIN, R. G. Pattern similarity and class membership: The relationship between perceptual operations. Paper presented at Midwestern Psychological Association meeting. Cincinnati, Ohio, May, 1970.