TY  - GEN
AU  - Day,R H
AU  - Stecher,E J
TI  - Sine of an illusion
SN  - 0301-0066
PY  - 1991///1217
KW  - Adult
KW  - Female
KW  - Humans
KW  - Male
KW  - Optical Illusions
KW  - Orientation
KW  - Pattern Recognition, Visual
KW  - Size Perception
N1  - Publication Type: Journal Article; Research Support, Non-U.S. Gov't
UR  - https://doi.org/10.1068/p200049
ER  -