Journal of Combinatorial Theory, Series A
Journal of Combinatorial Theory, Series A > 1995 > 72 > 1 > 50-76
Journal of Combinatorial Theory, Series A > 1995 > 72 > 1 > 118-134
Journal of Combinatorial Theory, Series A > 1995 > 72 > 1 > 184-187
Journal of Combinatorial Theory, Series A > 1995 > 72 > 1 > 1-49
Journal of Combinatorial Theory, Series A > 1995 > 72 > 1 > 135-183
Journal of Combinatorial Theory, Series A > 1995 > 72 > 1 > 95-117
Journal of Combinatorial Theory, Series A > 1995 > 72 > 1 > 77-94