Mental retardation /

Bibliographic Details
Main Author: Edgerton, Robert B., 1931-
Format: Book
Language:English
Published: Cambridge, Mass. : Harvard University Press, 1979.
Series:Developing child.
Subjects:
Description
Item Description:Includes index.
Physical Description:125 pages : illustrations ; 21 cm.
Bibliography:Bibliography: pages 113-118.
ISBN:0674568869 (pbk.)