TY  - BOOK
AU  - Gesell,Arnold
TI  - El nino de 1 a 4 años
T2  - Paidos educador
SN  - 968-853-107-3
AV  - BF721 G487
PY  - 1995///
CY  - Mexico
PB  - Paidos
N1  - Tr. de : The first five years of life : a guide to the study of the preschool child
ER  -