TY  - BOOK
AU  - Easterbrook, T.
AU  - Hale, D.
AU  - Harper, E.W.
TI  - The School Mathematics Project : Teachers guide for book Y
SN  - 0-521-20346-5
U1  - 510.7 
PY  - 1975///
CY  - New York
PB  - Cambridge University Press
KW  - Mathematics
ER  -