@article{SLC_1995_34_a0,
     author = {O. Delgado Friedrichs and A. Dress and D. Huson},
     title = {Tilings and {Symbols:} a {Report} on the {Uses} of {Symbolic} {Calculation} in {Tiling} {Theory}},
     journal = {S\'eminaire lotharingien de combinatoire},
     year = {1995},
     volume = {34},
     url = {http://geodesic.mathdoc.fr/item/SLC_1995_34_a0/}
}