| 000 | 00403nam a2200145 4500 | ||
|---|---|---|---|
| 003 | OSt | ||
| 008 | 220602b |||||||| |||| 00| 0 eng d | ||
| 082 |
_a513 _bSCH |
||
| 100 | _aSchonell, Fred J. | ||
| 245 | _aDiagnosis of individual difficulties in arithmetic | ||
| 260 |
_aLondon : _bOliver and boyd, _c1937 |
||
| 300 |
_a115p.; _c18cm |
||
| 650 | 0 | _aNatural sciences and mathematics | |
| 942 |
_2ddc _cLM |
||
| 999 |
_c104365 _d104365 |
||