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D. Kaljo
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Journal Article
High-resolution stable isotope stratigraphy of Upper Ordovician sequences: Constraints on the timing of bioevents and environmental changes associated with mass extinction and glaciation
Journal: GSA Bulletin
Publisher: Geological Society of America
Published: 01 January 2003
GSA Bulletin (2003) 115 (1): 89–104.
Journal Article
Integrated biostratigraphy of the Lower Silurian of the Ohesaare Core, Saaremaa, Estonia
Journal: Geological Magazine
Publisher: Cambridge University Press
Published: 01 November 1998
Geological Magazine (1998) 135 (6): 769–783.
Journal Article
Cambrian-Ordovician boundary beds at Tonismagi, Tallin, North Estonia
Journal: Geological Magazine
Publisher: Cambridge University Press
Published: 01 July 1988
Geological Magazine (1988) 125 (4): 457–463.