Information retrieval for hierarchical set of descriptors /
में बचाया:
| OCLC: | 17305104 |
|---|---|
| मुख्य लेखक: | |
| भाषा: | English |
| प्रकाशित: |
Warszawa :
PKiN,
1974.
|
| श्रृंखला: | CC PAS reports ;
v.138. |
| स्वरूप: | Monograph Note that CRL will digitize material from the collection when copyright allows. |