Citation: Paulus, W.; Wiegers, G.A.; Meetsma, A.; van Smaalen, S.; de Boer, J.L. (1989). The structure of Cu0.38 Nb Se2a An orthorhombic superstructure of a hexagonal basic structure occurring in three orientation variants. Physica Status Solidi, Sectio A: Applied Research, 114, pp. 91-98.