Matthias ZSCHORNAK; Dirk C. MEYER. Evolution of Symmetry in Elemental Crystals. Theory and Practice of Mathematics and Computer Science Vol. 6, [S. l.], p. 21–37, 2021. DOI: 10.9734/bpi/tpmcs/v6/6326D. Disponível em: https://stm.bookpi.org/TPMCS-V6/article/view/57. Acesso em: 20 jul. 2026.