1. Saturation properties of ideals in generic extensions;Baumgartner;Trans. Amer. Math. Soc.,1982
2. Martin's maximum, saturated ideals and non-regular ultrafilters;Foreman;Ann. of Math.,1988
3. Set Theory;Jech,1978
4. Precipitous ideals;Jech;J. Symbolic Logic,1980
5. Countable approximations and Löwenheim-Skolem theorems;Kueker;Ann. Math. Logic,1977