TY  - BOOK
AU  - Keedy, Mervin L.
AU  - Bittinger, Marvin L. (jt. auth)
TI  - Developmental mathematics
SN  - 0201143542
U1  - 510 
PY  - 1988///
CY  - Reading Massachusetts
PB  - Addison-Wesley
KW  - Mathematics
N1  - Includes index
ER  -