Gál, Zoltán A.; Clarke, Simon J. (2005). "Sr 11 Ge 4 N 6 : a new nitride composed of [GeN 2 Sr 7 ] 4+ antiperovskite-type slabs and [Sr 4 Ge] 4+ layers, separated by sheets of bent [Ge II N 2 ] 4− ions". Chem. Commun. (6): 728–730. doi:10.1039/B413534B. PMID15685318.
Park, Dong Gon; Gál, Zoltán A.; DiSalvo, Francis J. (April 2003). "Synthesis and structure of Li4Sr3Ge2N6: a new quaternary nitride containing Ge2N610− anions". Journal of Solid State Chemistry. 172 (1): 166–170. Bibcode:2003JSSCh.172..166P. doi:10.1016/S0022-4596(03)00009-4.
Park, Dong Gon; Gál, Zoltán A.; DiSalvo, Francis J. (April 2003). "Synthesis and structure of Li4Sr3Ge2N6: a new quaternary nitride containing Ge2N610− anions". Journal of Solid State Chemistry. 172 (1): 166–170. Bibcode:2003JSSCh.172..166P. doi:10.1016/S0022-4596(03)00009-4.
Gál, Zoltán A.; Clarke, Simon J. (2005). "Sr 11 Ge 4 N 6 : a new nitride composed of [GeN 2 Sr 7 ] 4+ antiperovskite-type slabs and [Sr 4 Ge] 4+ layers, separated by sheets of bent [Ge II N 2 ] 4− ions". Chem. Commun. (6): 728–730. doi:10.1039/B413534B. PMID15685318.