TY  - RPRT
TI  - Hierarchical number estimation.
AU  - Jay Friedenberg
AU  - William Limratana
PY  - 2004
DO  - 10.1007/s00426-003-0169-y
UR  - https://pubmed.ncbi.nlm.nih.gov/15597186/
ID  - 15597186
ER  -