Ordovician conodont diversity in the northern Baltic by Männik, P, Viira, V

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A bio- and chemostratigraphic search for the Mid-Ludfordian Carbon Isotope Excursion interval in the Ludlow of the Ohesaare core, Estonia by Kaljo, D, Martma, T, Märss, T, Nestor, V-K, Viira, V

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Lower and Middle Ordovician conodonts from the subsurface of SE Estonia and adjacent Russia by Viira, V

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AGE OF ESTONIAN KUKERSITE OIL SHALE – MIDDLE OR LATE ORDOVICIAN? by Hints, O, Nõlvak, J, Viira, V

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Silurian conodont-based correlations between Gotland (Sweden) and Saaremaa (Estonia) by Jeppsson, L., Viira, V., Männik, P.

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Darriwilian (Middle Ordovician) conodont biostratigraphy in NW Estonia by Hints, O, Viira, V, Nõlvak, J

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A bio-chemostratigraphical test of the synchroneity of biozones in the upper Silurian of Estonia and Latvia with some implications for practical stratigraphy by Kaljo, D, Einasto, R, Martma, T, Märss, T, Nestor, V, Viira, V

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On the lower boundary of the Floian Stage in Estonia by Pärnaste, H, Viira, V

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Conodont biostratigraphy and sedimentary history in the upper Tremadoc at Uuga, Cape Pakri, NW Estonia by Löfgren, Anita, Viira, Viive, Mens, Kaisa

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An Early to Middle Ordovician succession of conodont faunas at Maeekalda, northern Estonia by Viira, V, Loefgren, A, Maegi, S, Wickstroem, J

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Cambrian-Ordovician Boundary beds at Tônismägi, Tallin, North Estonia by KALJO, D, HEINSALU, H, MENS, K, PUURA, I, VIIRA, V

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Cambrian–Ordovician Boundary beds at Tônismägi, Tallinn, North Estonia by Kaljo, D., Heinsalu, H., Mens, K., Puura, I., Viira, V.

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