Citation: Ibers, J.A.; Huang, F.Q.; Mitchell, K. (2001). Syntheses and structures of the quaternary alkali-metal bismuth coinage-metal chalcogenides K3 Bi5 Cu2 S10, Cs Bi2 Cu S4, Rb Bi2.66 Cu Se5 and Cs Bi Ag2 S3. Journal of Alloys Compd., 325, pp. 84-90.