TY  - BOOK
T1  - Laughing and crying of preschool children
A1  - Brackett, Catherine Williams
PP  - New York
PB  - Bureau
YR  - 1934
UL  - http://vufind10-pruebas.sigbunlp.bibliotecas.unlp.edu.ar/Record/dun.21228
OP  - 90
NO  - A study of the social emotional behavior of young children as indicated by laughing and crying
ER  -