| 000 | 00512nam a22001577a 4500 | ||
|---|---|---|---|
| 008 | 230227b |||||||| |||| 00| 0 eng d | ||
| 020 | _a9230013277 | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 080 |
_aD 02+002:659.2(058.7) _bL5 |
||
| 245 |
_aDirectory of educational documentation and information services _c/ The UNESCO Press, Paris 1975 |
||
| 260 |
_aParis: _bThe Unesco Press, _c1975 |
||
| 300 | _a60p. | ||
| 650 | _aLibrary science | ||
| 653 | _aDocumentation | ||
| 942 |
_2udc _cREP |
||
| 999 |
_c4373 _d4373 |
||