| 000 | 00357cam a22001097a 4500 | ||
|---|---|---|---|
| 008 | 180718b1972 xxu||||| |||| 00| 0 eng d | ||
| 082 | _aP4121 Un3m | ||
| 245 |
_aMother tongue pratice in the schools : conditions - views - experiments _cedited by Kurt Opitz |
||
| 260 |
_aHamburg _bUnesco Institute for Education _c1972 |
||
| 300 | _a60p. | ||
| 700 | _aOpitz, Kurt | ||
| 999 |
_c495410 _d495410 |
||