Mental efficiency in senescence
By: by Jeanne G. Gilbert.
Series: Archives of psychology -- no. 188.
Published: 1935
Place of publication: New York
Language: eng
Number of pages: 60
Subjects: Old age.; Ability, Influence of age on.
Other titles: Senescence, Mental efficiency in.
Notes: Issued also as thesis (PH. D.) Columbia University.

Bibliography: p. 43-44.