@article{JIS_2009__12_4_a2,
     author = {Ruskey, Frank and Deugau, Chris},
     title = {The combinatorics of certain $k$-ary {meta-Fibonacci} sequences},
     journal = {Journal of integer sequences},
     publisher = {mathdoc},
     volume = {12},
     number = {4},
     year = {2009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JIS_2009__12_4_a2/}
}