TY  - RPRT
TI  - Apparent parallelism: uni- or multidimensional?
AU  - O W Smith
AU  - P C Smith
AU  - C W Koutstaal
PY  - 1972
DO  - 10.2466/pms.1972.34.3.834
UR  - https://pubmed.ncbi.nlm.nih.gov/5040497/
ID  - 5040497
ER  -