TY  - BOOK
AU  - Harris, J.
AU  - Hopkins, A.
AU  - Parsons, R.A.
TI  - The School Mathematics Project .Book D 
SN  - 521-07589-0
U1  - 510.7 
PY  - 1969///
CY  - London
PB  - Cambridge University Press
KW  - Mathematics
ER  -