TY  - BOOK
AU  - Jia,He
TI  - Shapes
T2  - My First Books
SN  - 9787553494593
U1  - 510 21
PY  - 2015///
CY  - Chagchun, China
PB  - Jilin Publishing Group
KW  - Mathematics
KW  - sears
N1  - Arithmetic notions
ER  -