Citation: Niewa, R.; Huang, Z.-L.; Schnelle, W.; Hu, Z.; Kniep, R. (2003). Preparation, crystallographic, spectroscopic and magnetic characterization of low-valency nitridometalates Li2 ((Li1-x Mx) N) with M = Cu, Ni. Zeitschrift fuer Anorganische und Allgemeine Chemie, 629, pp. 1778-1786.