TY  - BOOK
AU  - Ifrah, Georges
TI  - Universal history of numbers: The world's first number system 
PY  - 1998///
CY  - New Delhi
PB  - Penguin Books
KW  - History
KW  - Mathematics
KW  - Numbers
N1  - Tr.from the French by E.F. Harding.etc,3V
ER  -