Formed by the union of:Eesti Teaduste Akadeemia Toimetised. Biologia = Proceedings of the Estonian Academy of Sciences. Biology = Izvestija Akademii Nauk Estonii. Biologija. Estonian Academy Publishers: Tallinn. ISSN 0013-2144,
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Eesti Teaduste Akademia Toimetised. Okoloogia = Proceedings of the Estonian Academy of Sciences. Ecology. Estonian Academy Publishers: Tallinn. ISSN 1406-0116,
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Continued by:Estonian Journal of Ecology. Estonian Academy of Sciences: Tallin. ISSN 1736-602X; e-ISSN 1736-7549,
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