TY  - BOOK
AU  - E.Rucker, Walter
AU  - Dilley, Clyde A.
ED  - D.C. Heath and Company
TI  - Heath mathematics
SN  - 0669034274
U1  - 510 
PY  - 1981///
CY  - Lexington
PB  - Allyn and Bacon
KW  - Arithmetic
KW  - Mathematics
N1  - 002022; T 009
ER  -