TY - JOUR A1 - Rozanov, A.Y., Missarzhevsky, V.V., Volkova, N.A., Voronova, L.G., Krylov, I.N., Keller, B.M., Koroljuk, I.K., Lendzion, K., Michniak, R., Pychova, N.G. & Sidorov, A.D. JO - Trudy Ordena Trudovogo Krasnogo Znameni Geologicheskiy institut C1 - 206: 1-380, 79 figures, 15 tables, 55 plates. [in Russian] TI - Tommotian stage and the Cambrian lower boundary problem UR - https://www.molluscabase.org/aphia.php?p=sourcedetails&id=365595 PY - 1969 Y2 - 2024-03-29 ER -