TY  - BOOK
AU  - Adler David A
AU  - Barton Byron
TI  - Roman numerals
SN  - 0690013027
AV  - QA141.3 
PY  - 1977///
CY  - New York, N.Y.
PB  - HarperCollins
KW  - Roman Numerals
KW  - Juvenile literature
N2  - Explains the Roman numeral system, which, though very old, is still in use today
ER  -