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Ineffability properties of cardinals I, Infinite and Finite Sets, Keszthely (Hungary) 1973, volume 10 of Colloquia Mathematica Societatis János Bolyai, pages 109–130. North-Holland, 1975 • Baumgartner, James E.;
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Colorful partitions of cardinal numbers, Can. J. Math. 31, 524–541, 1979 • Baumgartner, James E.; Erdős, Paul; Higgs, D.,
Cross-cuts in the power set of an infinite set, Order 1, 139–145, 1984 • Baumgartner, James E. (Editor),
Axiomatic Set Theory (Contemporary Mathematics, Volume 31), 1990 ==References==