| 000 | 00453nam a22001337a 4500 | ||
|---|---|---|---|
| 008 | 230714b |||||||| |||| 00| 0 eng d | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 080 |
_a37:002.6 _bJ7 |
||
| 245 |
_aEducation clearing houses and documentation centres: _bA preliminary international survey |
||
| 260 |
_aParis: _bUNESCO, _c1957 |
||
| 300 | _a65p. | ||
| 490 | _aEducational studies and documents no. 22 | ||
| 942 |
_2udc _cREF |
||
| 999 |
_c52498 _d52498 |
||