TY  - BOOK
AU  - Pettofrezzo,Anthony
AU  - 
TI  - Arthmetic : 
U1  - 513/PEA 
PY  - 0000///Foresman
PY  - 1980///
CY  - Scottlang 
KW  - Arithmatic
N1  - Includes index and bibliography.
ER  -