Kosmos 1 Owner's Manual page 47

Conroy,
R. T.
W. L. and
J.
N. Mills. Human Circadiun Rhyttuns. London,
J.
and A.
Cburchill,1970.
Dale, Atbie (Ph.D.}. Biorhythm. NcwYork- PocketBooks, a Division of Simon & Schuster, inc.
DeVries, Hcrben A Physiology and Exercise for Physical Education and Athletics.
Dubuque, Iowa: Wm. C. BrownPu6ITSllers, 1974.
,
Dewey, Edward R. Cycles. The Mysterious ForcesThat TriggcrEvents. New York.
HawtbomBooks, Inc., 1971.
Edholm, O. G. and
A.
L. Bacharach (cds.). The PhysiologyofHllman Performance. London
and New York: Academic Press, 1965.
Ferguson, George A. Statistical Analysis in Psychology and Education. New York:
McGraw-Hill Book
Co.,
1971.
44