TY  - GEN
AU  - Rucker,Walter E.
AU  - Dilley,Clyde A.
AU  - Lowry,David W.
ED  - D.C. Heath
TI  - Matematicas de Heath : Grade 6 
SN  - 9780669168686,
PY  - 1988///
CY  - Lexington, Mass.
PB  -  D.C. Heath, 
N1  - Includes index; Translation of: Heath mathematics [grade 6]
ER  -