Vol 40, Issue 2, 1991
SILURIAN BIOEVENT STUDIES A PART OF THE IGCP PROJECT 216 “GLOBAL BIOLOGICAL EVENTS IN EARTH HISTORY”; pp. 41–42
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DISTRIBUTION OF CALCAREOUS ALGAE, ONCOLITES AND STROMATOLITES IN WENLOCK-LUDLOW BOUNDARY BEDS IN ESTONIA; pp. 43–49
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DATING OF THE WENLOCK CARBONATE SEQUENCES IN ESTONIA AND STRATIGRAPHIC BREAKS; pp. 50–60
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BRACHIOPOD AND CONODONT DISTRIBUTION AT THE WENLOCK-LUDLOW BOUNDARY OF LITHUANIA; pp. 61–68
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РАСПРЕДЕЛЕНИЕ ВЕНЛОКСКИХ БРАХИОПОД В РАЗРЕЗЕ СУУРИКУ, ЭСТОНИЯ; pp. 69–73
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THE LUNDGRENI EXTINCTION EVENT IN CENTRAL ASIA AND ITS BEARING ON GRAPTOLITE BIOCHRONOLOGY WITHIN THE HOMERIAN; pp. 74–78
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THE EVENTS AT THE WENLOCK-LUDLOW BOUNDARY IN PALEOBASINS OF THE URAL-NOVAYA ZEMLYA AREA; pp. 79–85
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