Information retrieval for hierarchical set of descriptors /
Guardado en:
| OCLC: | 17305104 |
|---|---|
| Autor principal: | |
| Lenguaje: | English |
| Publicado: |
Warszawa :
PKiN,
1974.
|
| Colección: | CC PAS reports ;
v.138. |
| Formato: | Monograph Note that CRL will digitize material from the collection when copyright allows. |