TY  - RPRT
TI  - Ambiguity in 3-D patterns induced by lighting assumptions.
AU  - T V Papathomas
AU  - A Gorea
PY  - 1990
DO  - 10.1068/p190569
UR  - https://pubmed.ncbi.nlm.nih.gov/2102991/
ID  - 2102991
ER  -