@article{10_4064_sm200_2_1,
     author = {Bruce L. Chalmers and Grzegorz Lewicki},
     title = {A proof of the {Gr\"unbaum} conjecture},
     journal = {Studia Mathematica},
     pages = {103--129},
     year = {2010},
     volume = {200},
     number = {2},
     doi = {10.4064/sm200-2-1},
     language = {de},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm200-2-1/}
}