Low-temperature phases in Cs2CdBr4 and Cs2HgBr4 Altermatt, D. ; Arend, H. ; Gramlich, V. ; Niggli, A. ; Petter, W. Abstract Publication: Acta Crystallographica Section B Pub Date: August 1984 DOI: 10.1107/S0108768184002275 Bibcode: 1984AcCrB..40..347A