| 000 | 00403nam a2200157Ia 4500 | ||
|---|---|---|---|
| 003 | LDD | ||
| 008 | 181029s9999 xx 000 0 und d | ||
| 020 | _a335162436 | ||
| 040 | _cLDD | ||
| 100 | _aMason,John | ||
| 245 | 0 |
_aDiscussion in the Mathematics classroom _cJohn Mason |
|
| 260 |
_aMilton Keynes _bThe Open Unversity press _c1986 |
||
| 300 | _a56 | ||
| 901 |
_a2754 _b03-10-2003 |
||
| 942 |
_2ddc _cBK |
||
| 999 |
_c46800 _d46800 |
||