TY  - RPRT
TI  - Scaling techniques for modeling directional knowledge.
AU  - David Waller
AU  - Daniel B M Haun
PY  - 2003
DO  - 10.3758/bf03202554
UR  - https://pubmed.ncbi.nlm.nih.gov/12834086/
ID  - 12834086
ER  -