@article{SLC_2005-2007_54A_a1,
     author = {Alexander Burstein and Isaiah Lankham},
     title = {Combinatorics of {Patience} {Sorting} {Piles}},
     journal = {S\'eminaire lotharingien de combinatoire},
     year = {2005-2007},
     volume = {54A},
     url = {http://geodesic.mathdoc.fr/item/SLC_2005-2007_54A_a1/}
}