| 000 | 00437nam a2200157Ia 4500 | ||
|---|---|---|---|
| 008 | 220901s1990 xx 000 0 eng d | ||
| 020 | _a8171920004 | ||
| 082 | _a025.431 N0 | ||
| 100 | _aKumar, P S G | ||
| 245 | _aPractical guide to DDC 20 | ||
| 260 |
_aVasoyr _bDatt sons Publishers _c1990 |
||
| 650 |
_aLibrary and Information science _951 |
||
| 650 |
_aClassification _923 |
||
| 650 |
_aClassification code _91331 |
||
| 942 |
_2ddc _cBK |
||
| 999 |
_c18423 _d18423 |
||