Citation: Hull, S.; Sivia, D.S.; Keen, D.A.; Berastegui, P. (2002). Crystal structures and ionic conductivities of ternary derivatives of the silver and copper monohalides I. Superionic phases of stoichiometry M A4 I5: Rb Ag4 I5, K Ag4 I5, and K Cu4 I5. Journal of Solid State Chemistry, 165, pp. 363-371.