| 000 | 00630nam a2200205Ia 4500 | ||
|---|---|---|---|
| 001 | 000000207841 | ||
| 008 | 230524s9999 xx 000 0 und d | ||
| 020 | _a9231016948 | ||
| 040 | _cUDSM | ||
| 050 | _aIKR Q190.E34 | ||
| 110 |
_aUNESCO _eCorporate author |
||
| 245 | 1 | 4 |
_aThe multilateral exchange of educational audio-visual materials _b : existing mechanisms and suggestions for the future |
| 260 |
_aParis _b : UNESCO, _c 1980 |
||
| 300 |
_a117p. _b : ill. _c ; 24cm. |
||
| 650 | _aAudio-visual materials | ||
| 650 | _aScience | ||
| 650 | _aStudy and teaching | ||
| 650 | _aMechanism (philosophy) | ||
| 942 |
_2lcc _cBK |
||
| 999 |
_c80441 _d80441 |
||