= пїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅ - пїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅ
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	[книга]
	Annual scientific conference of the Bulgarian Geological Sociaty Geology 2004, Sofia, 16-17 Dec. 2004
	Bulgarian Geological Society. Annual Scientific Conference Geology 2004. Sofia. 2004
	Sofia : Bulg. Geol. Soc.
	2004
ISBN:	954-91606-1-0
	Геология - конференции

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