@article{CMUC_2005__46_4_a7,
     author = {Fairey, Gareth and Gartside, Paul and Marsh, Andrew},
     title = {Cardinal invariants of universals},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {685--703},
     publisher = {mathdoc},
     volume = {46},
     number = {4},
     year = {2005},
     mrnumber = {2259499},
     zbl = {1121.54029},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_2005__46_4_a7/}
}