Özüm, S. et al. 2025. Shape descriptors of equilibrium states in a quantum lattice model with local multi-well potentials: A geometric analysis near the phase transitions in Sn2P2S6 ferroelectric crystals. Condensed Matter Physics. 28, 4 (Dec. 2025), 43703. DOI:https://doi.org/10.5488/cmp.28.43703.