@article{10_37236_1622,
     author = {M. H. Albert and M. D. Atkinson and C. C. Handley and D. A. Holton and W. Stromquist},
     title = {On packing densities of permutations},
     journal = {The electronic journal of combinatorics},
     year = {2002},
     volume = {9},
     doi = {10.37236/1622},
     zbl = {0982.05005},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/1622/}
}