TY  - BOOK
AU  - Bradbury,E.
AU  - Bradbury,N.L.
ED  - Blackwell 
TI  - Read and reckon: mental arithmetic practice for juniors. book four 
U1  - 372.72 23
PY  - 1959///.
CY  - Oxford: 
PB  - Basil Blackwell, 
KW  - Arithmetic
KW  - Study and teaching (Elementary)
ER  -