Sleep characteristics
Subtitle: how they vary and react to changing conditions in the group and the individual
By: [by] N. Kleitman, F. J. Mullin, N. R. Cooperman [and] S. Titelbaum ...
Contributors: Mullin, Francis Joseph, 1906-; Cooperman, Norman Roy, 1910-; Titelbaum, Sydney, 1913-
Publisher: The University of Chicago press
Published: 1937
Place of publication: Chicago, Ill
Language: eng
Number of pages: 80
Subjects: Sleep.
Notes: Bibliography: leaf at end.