@article{AUPO_2009__48_1_a3,
     author = {Cz\'edli, G\'abor},
     title = {A visual approach to test lattices},
     journal = {Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica},
     pages = {33--52},
     publisher = {mathdoc},
     volume = {48},
     number = {1},
     year = {2009},
     mrnumber = {2641946},
     zbl = {1203.06011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AUPO_2009__48_1_a3/}
}