TY  - RPRT
TI  - Unifying shading and texture through an active observer.
AU  - J Y Aloimonos
PY  - 1989
DO  - 10.1098/rspb.1989.0064
UR  - https://pubmed.ncbi.nlm.nih.gov/2574467/
ID  - 2574467
ER  -