TY  - RPRT
TI  - Real and apparent movement--same or different mechanisms?
AU  - J P Frisby
PY  - 1972
DO  - 10.1016/0042-6989(72)90025-9
UR  - https://pubmed.ncbi.nlm.nih.gov/5037694/
ID  - 5037694
ER  -