TY  JOUR
TI  From teaching experience. XIV. On the variety of tetrahedrons
KW  tetrahedron
KW  simple form
KW  combinatorial geometric kind
KW  combination of simple forms
KW  symmetry point group
JO  Vestnik of geosciences
AU  Voytehovskiy, Y.L.
PY  2024
IS  0
PB  FSBI FIC &quot;Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences&quot;