TY  - BOOK
AU  - Slater,J.D.
AU  - Anderson,Joy
AU  - Hartley,Terry
ED  - Arnold 
TI  - Mathematics through action: stage 2B 
SN  - 0560001827
U1  - 372.7044 23
PY  - 1971///.
CY  - London: 
PB  - Arnold, 
KW  - Mathematics
KW  - Study and teaching (Elementary)
ER  -