Der oberkarbone Foraminiferensapropelit Spitzbergens
von Staff, H.; Wedekind, R. (1910). Der oberkarbone Foraminiferensapropelit Spitzbergens. Bulletin of the Geological Institution of the University of Upsala 10: 81-123 + pl .II-IV
In: Bulletin of the Geological Institution of the University of Upsala. Almqvist & Wiksell: Upsala. ISSN 0302-2749, more
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