The spiral aftereffect. III, Some effects of perceived size, retinal size, and retinal speed on the duration of illusory motion [electronic resource] / Kevin D. Mehling, William E. Collins, and David J. Schroeder.
Imprint
Washington, D.C. : Office of Aviation Medicine, Federal Aviation Administration, [1971]
Electronic reproduction. Washington, D.C. : FAA. Mode of access: Internet from the FAA web site. Address as of 5/1/07: http://www.faa.gov/library/reports/medical/oamtechreports/1970s/media/AM71-31.pdf; current access is available via PURL.