@article{journals/ejc/DukesW07, title = {The cone condition and t-designs.}, author = {Peter Dukes and Richard M. Wilson}, journal = {Eur. J. Comb.}, number = {6}, pages = {1610-1625}, url = {http://dblp.uni-trier.de/db/journals/ejc/ejc28.html#DukesW07}, volume = {28}, year = {2007}, biburl = {http://www.bibsonomy.org/bibtex/2f41bd0ecab609984f566f5daf5bc22ed/dblp}, description = {dblp}, ee = {http://dx.doi.org/10.1016/j.ejc.2006.07.008}, date = {2008-02-15}, keywords = {dblp } }