Information retrieval for hierarchical set of descriptors /
Guardat en:
| OCLC: | 17305104 |
|---|---|
| Autor principal: | |
| Idioma: | English |
| Publicat: |
Warszawa :
PKiN,
1974.
|
| Col·lecció: | CC PAS reports ;
v.138. |
| Format: | Monograph Note that CRL will digitize material from the collection when copyright allows. |