1. Balcar, B., Simon, P.: Disjoint refinement, in : Handbook of Boolean Algebras (J.D. Monk and R. Bonnet, eds.), vol. 2, North-Holland, 1989, pp. 333–388
2. Baumgartner, J.E.: Almost disjoint sets, the dense set problem and the partition calculus. Ann. Math. Log. 10, 401–439 (1976)
3. Baumgartner, J.E., Taylor, A.D., Wagon, S.: Structural properties of ideals, Dissertationes Mathematicae CXCVII, Warszawa, 1982
4. Cummings, J., Foreman, M., Magidor, M.: Squares, scales and stationary reflection. J. Math. Log. 1, 35–98 (2001)
5. Cummings, J., Shelah, S.: Cardinal invariants above the continuum. Ann. Pure Appl. Log. 75, 251–268 (1995)