Problemi na nauchnata informatsi︠i︡a : sb. statii
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| OCLC: | 6088039 |
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| 企业作者: | |
| 其他作者: | |
| 语言: | Bulgarian |
| 出版: |
Sofi︠i︡a :
BAN,
1976 [dep. 1978]
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| 主题: | |
| 格式: | Monograph Note that CRL will digitize material from the collection when copyright allows. |