The spiral aftereffect. II, Some influences of visual angle and retinal speed on the duration and intensity of illusory motion [electronic resource] / Mary Jane Williams, William E. Collins.
Imprint
[Washington, D.C.] : Dept. of Transportation, Federal Aviation Administration, Office of Aviation Medicine, [1969]
Electronic reproduction. Washington, D.C. : FAA. Mode of access: Internet from the FAA web site. Address as of 4/12/07: http://www.faa.gov/library/reports/medical/oamtechreports/1960s/media/AM69-15.pdf; current access is available via PURL.
