TY  - BOOK
AU  - Crain,William C.
TI  - Theories of development: concepts and applications 
SN  - 0139135669 :
AV  - BF713 .C72
U1  - 155 CRA 
PY  - 1980///
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Developmental psychology
KW  - Textbooks
N1  - Includes indexes; Bibliography: p. 267-283
ER  -