@article{JIS_2007__10_2_a6,
     author = {Chinn, Phyllism and Grimaldi, Ralph and Heubach, Silvia},
     title = {Tiling with {L's} and squares},
     journal = {Journal of integer sequences},
     publisher = {mathdoc},
     volume = {10},
     number = {2},
     year = {2007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JIS_2007__10_2_a6/}
}