TY  - BOOK
AU  - Kalechofsky, Robert
TI  - THE PERSISTENCE OF ERROR
SN  - 0819164569
U1  - 155.413 
PY  - 0000///
CY  - 
PB  - 
KW  - Cognition In Childern
KW  - Knowledge, Theory Of
KW  - Cognition In Children--Mathematical Models
ER  -