Citation: Corbel, G; Leblanc, M; Antic-Fidancev, E; Lemaitre-Blaise, M (1999). Crystal structure of sodium rare earth oxyborates Na2 Ln2 (B O3)2 O(Ln = Sm, Eu, and Gd) and optical analysis of Na2 Gd2 (B O3)2 O:Eu(3+). Journal of Solid State Chemistry, 144, pp. 35-44.