TY  - GEN
AU  - Beck,J
AU  - Graham,N
AU  - Sutter,A
TI  - Lightness differences and the perceived segregation of regions and populations
SN  - 0031-5117
PY  - 1991///0507
KW  - Contrast Sensitivity
KW  - Humans
KW  - Light
KW  - Pattern Recognition, Visual
N1  - Publication Type: Journal Article; Research Support, U.S. Gov't, Non-P.H.S
UR  - https://doi.org/10.3758/bf03214310
ER  -