Citation: Vasylechko, L.; Niewa, R.; Borrmann, H.; Knapp, M.; Berkowski, M.; Matkovskii, A.; Bismayer, U.; Savytskii, D. (2001). R3-c - Pbnm phase transition of La1-x Smx Ga O3 (0 < x < 0.3) perovskites and crystal structures of the orthorhombic and trigonalphases. Solid State Ionics, 143, pp. 219-227.