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| [ñïèñàíèå] |
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| | Èíæåíåðíà ãåîëîãèÿ è õèäðîãåîëîãèÿ | ÐÀ2498 |
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| Ñîôèÿ |
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| 24 ñì |
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| 1975- |
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| äðóãà |
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ISSN: | 0204-7934 |
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| 624.131+556.3 |
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Older Receipts (by Years): | | 2018; 2012; 2010; 1993; 1992; 1991; 1989; 1988; 1987; 1986; 1984; 1983; 1982; 1981; 1980; 1979; 1978; 1976; 1975 |
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