| 000 | 00313 a2200121 4500 | ||
|---|---|---|---|
| 080 |
_a007 _bD 729 I |
||
| 245 | 1 |
_aInformation retrieval _cby B. Doudnikoff |
|
| 260 |
_aPhiladelphia _bAuerbach Publishers _c1973 |
||
| 650 | _aInformation Retrieval | ||
| 100 | 1 |
_aDoudnikoff, B. _d |
|
| 300 | _a113 p. | ||
| 901 | _a142846 | ||
| 999 |
_c65941 _d65941 |
||