TY  - BOOK
AU  - Kuhlen,Raymond G.
AU  - Thompson,George Greene
TI  - Psychological studies of human development
T2  - The Century psychology series
U1  - 136 
PY  - 1963///
CY  - New York
PB  - Appleton-Century-Crofts
KW  - Genetic psychology
N1  - Includes Bibliography: p. 605-628 and index
ER  -