@article{JIS_2006__9_3_a7,
     author = {Shattuck, Mark A. and Wagner, Carl G.},
     title = {Periodicity and parity theorems for a statistic on $r$-mino arrangements},
     journal = {Journal of integer sequences},
     publisher = {mathdoc},
     volume = {9},
     number = {3},
     year = {2006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JIS_2006__9_3_a7/}
}