Estonian Academy of Sciences. (1967). Proceedings of the Estonian Academy of Sciences: Geology. Estonian Academy of Sciences.
Cita Chicago Style (17a ed.)Estonian Academy of Sciences. Proceedings of the Estonian Academy of Sciences: Geology. Estonia: Estonian Academy of Sciences, 1967.
Cita MLA (8a ed.)Estonian Academy of Sciences. Proceedings of the Estonian Academy of Sciences: Geology. Estonian Academy of Sciences, 1967.
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