The spiral aftereffect [electronic resource] : influence of stimulus size and viewing distance on the duration of illusory motion / William E. Collins, David J. Schroeder.
Imprint
[Washington, D.C.] : Dept. of Transportation, Federal Aviation Administration, Office of Aviation Medicine, [1968]
Electronic reproduction. Washington, D.C. : FAA. Mode of access: Internet from the FAA web site. Address as of 3/27/07: http://www.faa.gov/library/reports/medical/oamtechreports/1960s/media/AM68-10.pdf; current access is available via PURL.
