TY  - BOOK
AU  - Haenisch, Siegfried;
AU  - Hill, Merrill B.
TI  - Riverside mathematics
SN  - 0829248730
U1  - 372.7044 
PY  - 1985///
CY  - U.S.A
PB  - Riverside
KW  - Arithmetic--Study and teaching (Elementary)
KW  - Arithmetic
N1  - Include Index
ER  -