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Vitalijus Janickis; Wolfgang Milius; Karl Wilhelm Törnroos. (2005). Synthesis and Crystal Structure of Bis(tetraethylammonium) Octabromo-triselenate(II)-{dibromodiselenate(I)}, [NEt4]2[Se3Br8(Se2Br2)], the Salt of a Mixed-valence Bromoselenate(II, I) Anion. , 631(5), 882–886. doi:10.1002/zaac.200400456 
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