| 000 | 00518nam a22001697a 4500 | ||
|---|---|---|---|
| 008 | 230310b |||||||| |||| 00| 0 eng d | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 080 |
_aD 025.45 _bH3.1 |
||
| 245 | _aUniversal Decimal Classification | ||
| 260 |
_aLondon: _bBritish Standards Institution, _c1946 |
||
| 300 | _a46p. | ||
| 500 | _aPart 2. (Class 621.3 Electrical engineering) Vol. 4 | ||
| 650 | _aLibrary science | ||
| 653 | _aClassification | ||
| 653 | _aNature | ||
| 942 |
_2udc _cREF |
||
| 999 |
_c7522 _d7522 |
||