Tsirlin, A. A., Abakumov, A. M., Van Tendeloo, G., & Rosner, H. (2010). Interplay of atomic displacements in the quantum magnet (CuCl)LaNb2O7. Physical Review B, 82(5): 054107, pp. 054107-01-054107-12. doi:10.1103/PhysRevB.82.054107.