TY  - BOOK
AU  - Crain,William C.
TI  - Theories of development: concepts and applications 
SN  - 0139136177
PY  - 1985///
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Developmental psychology
N1  - Includes index; p. 271-285
ER  -