@article{10_4064_fm196_2_1,
     author = {Katarzyna Osiak},
     title = {The {Boolean} space of higher level orderings},
     journal = {Fundamenta Mathematicae},
     pages = {101--117},
     publisher = {mathdoc},
     volume = {196},
     number = {2},
     year = {2007},
     doi = {10.4064/fm196-2-1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm196-2-1/}
}