TY  - BOOK
AU  - Langer,Jonas
TI  - Theories of development
AV  - BF701 .L33
U1  - 155 
PY  - 1969///]
CY  - New York
PB  - Holt, Rinehart and Winston
KW  - Genetic psychology
KW  - Local
N1  - Bibliography: p. 181-186
ER  -