| 000 | a | ||
|---|---|---|---|
| 001 | 10577 | ||
| 011 | _a0013-1954 | ||
| 090 | _a10577 | ||
| 099 | _tSER | ||
| 100 | _a20190218 frey50 | ||
| 101 | _aeng | ||
| 102 | _aNL | ||
| 200 |
_aEducational Studies in Mathematics - An international journal _feditor in chief Arthur Bakker |
||
| 207 | _aVolume 100.2 - February 2019 | ||
| 210 |
_aDordrecht _cSpringer _d2018 |
||
| 215 |
_d24cm. _c82p.(p.117-199) |
||