@misc{indiciae2e8cab705a08, title = {Apparent parallelism: uni- or multidimensional?}, author = {O W Smith and P C Smith and C W Koutstaal}, year = {1972}, doi = {10.2466/pms.1972.34.3.834}, url = {https://pubmed.ncbi.nlm.nih.gov/5040497/}, note = {Source identifier: 5040497} }