TY  - BOOK
AU  - Johnston, C. L.
AU  - Willis, Alden T.
AU  - Lazaris, Jeanne
TI  - Essential arithmetic
T2  - Johnston/Willis Developmental Mathematics Series
SN  - 0534090788
U1  - 513.142 
PY  - 1988///
CY  - Belmont, California
PB  - Wadsworth Pub.
ER  -