Information retrieval for hierarchical set of descriptors /
Salvato in:
| OCLC: | 17305104 |
|---|---|
| Autore principale: | |
| Lingua: | English |
| Pubblicazione: |
Warszawa :
PKiN,
1974.
|
| Serie: | CC PAS reports ;
v.138. |
| Natura: | Monograph Note that CRL will digitize material from the collection when copyright allows. |