TY  - BOOK
AU  - Keedy,Mervin L.
AU  - Bittinger,Marvin L.
TI  - Arithmetic: a modern approach 
U1  - 513 K26a 1975 
PY  - 1975///
CY  - Reading, Mass
PB  - Addison-Wesley, 
KW  - ARITMETICA
ER  -