%0 Journal Article %T From teaching experience. XV. Crystallographic borders and phyllotaxis %A Voytehovskiy, Y.L. %A Gunchenkova, A.D. %K crystallography, systematics and hierarchy of borders, phyllotaxis %J Vestnik of geosciences %D 2024 %N 0 %P 4 %I FSBI FIC "Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences"