1. Adams, O. S., Chiles, W. D.: Prolonged human performance as a function of the work-rest cycle. Aerospace Med. 34, 132?138 (1963); zit. nach [7]
2. Alluisi, E. A., Hall, T. J., Hakw]es, G. R., Chiles, W. D.: Human group performance during confinement. Final Report, Contract No. AF (616)-7607-M4 (1962); zit. nach [7]
3. Aschoff, J. (Hrsg.): Circadian clocks. Amsterdam: Proc. Feldafing Summer School 1965
4. Aschoff, J.: Comparative physiology: Diurnal rhythms. Ann. Rev. Physiol. 25, 581?600 (1963)
5. Aschoff, J.: Significance of circadian rhythms for space flight. Proc. 3rd Intern. Symp. on Bioastronautics and the Exploration of Space, 465?484 (1965a)