| 000 | 00398nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 100324s9999 xx 000 0 und d | ||
| 020 | _a0-335-00249-8 | ||
| 100 | _aWilder, R.L. | ||
| 245 | _aEvolution of mathematical concepts: an elementary study | ||
| 260 |
_c1973 _bOpen University Press |
||
| 366 | _b1973 | ||
| 650 | _aMathematics | ||
| 942 | _cBK | ||
| 999 |
_c97930 _d97930 |
||