TY  - BOOK
AU  - 
TI  - The effectiveness of early intervention
SN  - 978-1-55766-255-2
U1  - 370.155 Gur E 
PY  - 1997///
CY  - Baltimore: 
PB  - The Maple Press Co., 
KW  - Estimulación Temprana
N1  - 1997
N2  - Second generation research in the field of early intervention
ER  -