TY  - RPRT
TI  - Apparent relative motion from a checkerboard surround.
AU  - B G Khang
AU  - E A Essock
PY  - 1997
DO  - 10.1068/p260831
UR  - https://pubmed.ncbi.nlm.nih.gov/9509137/
ID  - 9509137
ER  -