TY  - BOOK
AU  - Luce,Marnie
AU  - Stenson,Charles
TI  - Zero is something
T2  - A Math concept book
SN  - 0822505711
AV  - QA142 .L82
U1  - 372.7/2 
PY  - 1969///]
CY  - Minneapolis
PB  - Lerner Publications Co.
KW  - Zero The number
KW  - Juvenile literature
KW  - Local
N2  - A simple explanation of the concept of zero and its importance in mathematics
ER  -