MathSciNet bibliographic data MR2262928 (2007h:03101) 03E35 (03E55 03E65) Schrittesser, David Lightface \$\Sigma\sp 1\sb 2\$$\Sigma\sp 1\sb 2$-indescribable cardinals. Proc. Amer. Math. Soc. 135 (2007), no. 4, 1213–1222 (electronic). Article

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