1. U. Abraham and S. Todorcevic,Partition properties of ω 1 compatible with CH, Fundamenta Mathematicae152 (1997), 165–181.
2. A. Błaszczyk and S. Shelah,Regular subalgebras of complete Boolean algebras, Journal of Symbolic Logic66 (2001), 792–800.
3. revised and expanded Series, Springer Monographs in Mathematics;T. Jech,2003
4. R. Jensen,Definable sets of minimal degree, inMathematical Logic and Foundations of Set Theory (Y. Bar-Hillel, ed.), North-Holland, Amsterdam, 1970, pp. 122–128.
5. H. Judah and S. Shelah,Souslin forcing, Journal of Symbolic Logic53 (1988), 1182–1207.