Males and females.

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Bibliographic Details
Main Author: Hutt, Corinne
Format: Book
Language:English
Published: Harmondsworth, Penguin, 1972.
Series:Penguin education
Penguin science of behaviour: developmental psychology
Subjects:
Description
Physical Description:158 p. illus. 18 cm.
Bibliography:Bibliography: p. [141]-150.
ISBN:014080563X