\newcommand{\etalchar}[1]{$^{#1}$}
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\bibitem[ISZ09]{IeronymouSkorobogatovZarhin}
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\newblock On the {B}rauer group of diagonal quartic surfaces, 2009.
\newblock arXiv:0912.2865.

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\bibitem[LvL09]{LoganVanLuijk}
Adam Logan and Ronald van Luijk.
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\newblock Supersingular {$K3$} surfaces in characteristic 2 as double covers of
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\newblock {\em J. Algebraic Geom.}, 17(3):481--502, 2008.

\bibitem[SZ09]{SkorobogatovZarhin2}
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\newblock arXiv:0911.2261.

\bibitem[vG05]{vanGeemen}
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\newblock Some remarks on {B}rauer groups of {$K3$} surfaces.
\newblock {\em Adv. Math.}, 197(1):222--247, 2005.

\bibitem[vL07]{vanLuijk}
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\newblock K3 surfaces with {P}icard number one and infinitely many rational
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\bibitem[Voi86]{Voisin}
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\bibitem[Wit04]{Wittenberg}
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