TY  - BOOK
AU  - Dilley, Clyde A.
AU  - Rucker, Walter E.  (jt. auth)
AU  - Jackson, Ann E. (jt. auth)
TI  - Heath elementary mathematics
U1  - 510 
PY  - 1975///
CY  - Lexington, D. C.
PB  - Heath and Co.
KW  - Mathematics, Elementary
N1  - Includes index
ER  -