Synthesis and crystal structure of hydrogen selenates K(HSeO4)(H2SeO4) and Cs(HSeO4)(H2SeO4) Troyanov, S. I. ; Morozov, I. V. ; Zakharov, M. A. ; Kemnitz, E. Abstract Publication: Crystallography Reports Pub Date: July 1999 Bibcode: 1999CryRp..44..560T