Liviu GORAS. On Circuits Exhibiting Unstable Spatial Modes . Current Research Progress in Physical Science Vol. 8, [S. l.], p. 107–127, 2025. DOI: 10.9734/bpi/crpps/v8/4620. Disponível em: https://stm.bookpi.org/CRPPS-V8/article/view/17526. Acesso em: 4 jul. 2026.