| 000 | 00457nam a22001457a 4500 | ||
|---|---|---|---|
| 008 | 230705b |||||||| |||| 00| 0 eng d | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 080 |
_aD 025.4=914.3 _bN4 |
||
| 100 | _aSehgal, R L | ||
| 245 |
_aClassification: _bTheory and practice (Hindi) |
||
| 260 |
_aNew Delhi: _bEss Ess Publications, _c1994 |
||
| 300 | _a219p. | ||
| 650 | _aLibrary science | ||
| 942 |
_2udc _cHBK |
||
| 999 |
_c50828 _d50828 |
||