Journal of Combinatorial Theory, Series A
Journal of Combinatorial Theory, Series A > 2011 > 118 > 2 > 532-544
Journal of Combinatorial Theory, Series A > 2011 > 118 > 2 > 455-462
Journal of Combinatorial Theory, Series A > 2011 > 118 > 4 > 1291-1312
Journal of Combinatorial Theory, Series A > 2011 > 118 > 5 > 1575-1587
Journal of Combinatorial Theory, Series A > 2011 > 118 > 7 > 2092-2101