Kalyakin, E. A. (2025). The final, Late Campanian – Early Maastrichtian stage of Micraster and Isomicraster (Echinoidea, Spatangoida) development. Saratov State University.
Chicago Style (17th ed.) CitationKalyakin, Evgeniy Aleksandrovich. The Final, Late Campanian – Early Maastrichtian Stage of Micraster and Isomicraster (Echinoidea, Spatangoida) Development. Saratov State University, 2025.
MLA (9th ed.) CitationKalyakin, Evgeniy Aleksandrovich. The Final, Late Campanian – Early Maastrichtian Stage of Micraster and Isomicraster (Echinoidea, Spatangoida) Development. Saratov State University, 2025.
Warning: These citations may not always be 100% accurate.