@article{10_37236_1161,
     author = {J\"orn Quistorff},
     title = {A survey on packing and covering problems in the {Hamming} permutation space},
     journal = {The electronic journal of combinatorics},
     year = {2006},
     volume = {13},
     doi = {10.37236/1161},
     zbl = {1099.05022},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/1161/}
}