TY  - RPRT
TI  - The coding and transformation of spatial information.
AU  - J Huttenlocher
AU  - C C Presson
PY  - 1979
DO  - 10.1016/0010-0285(79)90017-3
UR  - https://pubmed.ncbi.nlm.nih.gov/519969/
ID  - 519969
ER  -