TY  - BOOK
AU  - Keedy,Mervin L.
AU  - Bittinger,Marvin L.
TI  - Basic mathematics: Teacher's edition 
SN  - 0201529262
PY  - 1991///
CY  - Reading, Mass.
PB  - Addison-Wesley Pub. Co.
KW  - Arithmetic
ER  -