TY  - RPRT
TI  - A quantitative study of perceptual vector analysis.
AU  - K H Shum
AU  - G L Wolford
PY  - 1983
DO  - 10.3758/bf03205891
UR  - https://pubmed.ncbi.nlm.nih.gov/6634354/
ID  - 6634354
ER  -