Mamontov, Dmitriy Arkadievich, and Olga Aleksandrovna Orlova. “Preliminary Results from Sculpture Analysis of the Apiculate Miospores from the Upper Visean of Kaluga Region, Russia”. Geology, Geophysics and Environment 42, no. 1 (July 17, 2016): 95. Accessed November 22, 2024. https://journals.agh.edu.pl/geol/article/view/1860.