TY  - BOOK
AU  - Lowry W. David
AU  - Lowry W. David
TI  - Pre-algebra
SN  - 0669202037
AV  - QA152.2. L69, 1990 1
PY  - 1990///
CY  - 	Lexington, Mass
PB  - D.C. Heath
KW  - Lowry W. David
ER  -