TY  - RPRT
TI  - Shape constancy and polar perspective.
AU  - H Wallach
AU  - F J Marshall
PY  - 1986
DO  - 10.1037//0096-1523.12.3.338
UR  - https://pubmed.ncbi.nlm.nih.gov/2943862/
ID  - 2943862
ER  -