@article{JAC_2005__21_2_a3,
     author = {Henderson, Anthony},
     title = {Species over a finite field},
     journal = {Journal of Algebraic Combinatorics},
     pages = {147--161},
     publisher = {mathdoc},
     volume = {21},
     number = {2},
     year = {2005},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JAC_2005__21_2_a3/}
}