TY  - RPRT
TI  - Subitizing: magical numbers or mere superstition?
AU  - J D Balakrishnan
AU  - F G Ashby
PY  - 1992
DO  - 10.1007/bf00937136
UR  - https://pubmed.ncbi.nlm.nih.gov/1620801/
ID  - 1620801
ER  -