TY  - BOOK
AU  - Davison, David M. et al
AU  - Landau, Marsha et al.
TI  - Prentice Hall pre-algebra
SN  - 0136939120
AV  - QA154.2.D3 1992 
CY  - Needham
KW  - Algebra -- Mathematical calculations, Algebraic
ER  -