Phase shifts of the human circadian system and performance deficit during the periods of transition. III, North-South flight [electronic resource] / G. T. Hauty, T. Adams.
Imprint
[Oklahoma City, Okla.] : Federal Aviation Agency, Office of Aviation Medicine, [1965]
Electronic reproduction. Washington, D.C. : FAA. Mode of access: Internet from the FAA web site. Address as of 2/22/07: http://www.faa.gov/library/reports/medical/oamtechreports/1960s/media/AM65-30.pdf; current access is available via PURL.