Adamczyk, Zdzisław, Wydział Górnictwa i Geologii, Katedra Geologii Stosowanej, Politechnika Śląska, Akademicka 2, 44-100 Gliwice
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Vol 41, No 3 (1997) - Articles
The importance of tonstein from the Coal Seam 610 as the correlation horizon in the southwestern part of the Upper Silesian Coal Basin
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