TY  - BOOK
AU  - Sorgenfrey,Robert H.
AU  - Graham,John Alexander
TI  - Pre-algebra: prentice hall mathematics
SN  - 9780131808928
AV  - QA107 .D66 1985
U1  - 513 19
PY  - 1985///
CY  - Boston
PB  - Houghton Mifflin Co.
KW  - Arithmetic
KW  - Algebra
N1  - Includes index
ER  -