TY  - BOOK
AU  - Brewer,A.C.
TI  - Elementary Science: Learning by Investigating 
SN  - 17885
U1  - 500 B72l 
PY  - 1972///
CY  - London
PB  - Rand Mcnally and Company, 
KW  - Natural sciences and mathematics
N1  - Index
ER  -