@article{Voytehovskiy2025from,
author={Voytehovskiy, Y.L.},
title={From teaching experience. XVIII. Table of 27 symmetry species},
journal={Vestnik of geosciences},
publisher={FSBI FIC "Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences"},
year={2025},
pages={36-43},
volume={0},
issue={9},
}