TY  - BOOK
AU  - Irvin,Barbara Bando
AU  - Boyer,Robin(illustrated)
TI  - Addition&Subtraction grades 1-2
T2  - An i know it
SN  - 0938256297
U1  - 510 21
PY  - 2005///
CY  - Usa
PB  - school zone
KW  - Mathematics
ER  -