| 000 | 00377nam a2200157Ia 4500 | ||
|---|---|---|---|
| 003 | LDD | ||
| 008 | 181029s9999 xx 000 0 und d | ||
| 020 | _a923101546x | ||
| 040 | _cLDD | ||
| 245 | 0 | _aNew trends in mathematics teaching | |
| 260 |
_aParis _bUNESCO |
||
| 300 | _av.3-4 | ||
| 440 | _aThe teaching of basic sciences | ||
| 901 |
_a314 _b12-03-1996 |
||
| 942 |
_2ddc _cBK |
||
| 999 |
_c27863 _d27863 |
||