Gupta, S.; Maurya, D.; Srivastava, S. K.; Pareek, U. K.; Srivastava, A. P. Unveiling Pressure-Driven Transitions in Cs₂AgBiBr₆: Insights from DFT into a Lead-Free Solar Perovskite. East Eur. J. Phys. 2026, 363-372.