Citation: Pavlovska, A.; Werner, S.; Maximov, B.; Mill, B. (2002). Pressure-induced phase transitions of piezoelectric single crystals from the langasite family: La~3~Nb~0.5~Ga~5.5~O~14~ and La~3~Ta~0.5~Ga~5.5~O~14~. Acta Crystallographica Section B, 58, pp. 939-947.