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