TY  - BOOK
AU  - Ruff, Holly Alliger
AU  - Rothbart, Mary Klevjord
TI  - Attention in early development : themes and variations
SN  - 9780195136326
U1  - 155.413733 RUF 
PY  - 1996///
CY  - Oxford
PB  - Oxford University Press
KW  - Attention - in infancy & childhood
ER  -