@article{AMI_2017_47_a2,
     author = {David Callan and Toufik Mansour and Mark Shattuck},
     title = {Twelve subsets of permutations enumerated as maximally clustered permutations},
     journal = {Annales mathematicae et informaticae},
     pages = {41--74},
     publisher = {mathdoc},
     volume = {47},
     year = {2017},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AMI_2017_47_a2/}
}