TY  - BOOK
AU  - Farmer, Walter A. Farrell, Margaret A.
TI  - Systematic instruction in science for the middle and high school year
SN  - 0-201-02435-7
U1  - CIR  507.12 F22 1980 
PY  - 1980///
CY  - Massachusetts
PB  - Addison-Wesley Publishing Company
ER  -