TY  - BOOK
AU  - Gesell,Arnold
TI  - Biographies of child development: the mental growth careers of eighty-four infants and children 
SN  - 0405064616
PY  - 1975///
CY  - New York
PB  - Arno Press
KW  - Child study
KW  - Intellect
N1  - reprint of the ed. published by P. B. Hoeber, New York
ER  -