Archive for Mathematical Logic
Archive for Mathematical Logic > 2003 > 42 > 8 > 717-735
Archive for Mathematical Logic > 2005 > 44 > 3 > 387-395
Archive for Mathematical Logic > 2006 > 45 > 3 > 307-322
Archive for Mathematical Logic > 2006 > 45 > 7 > 831-838
Archive for Mathematical Logic > 2010 > 49 > 7-8 > 725-741