%0 Journal Article
%A Tim Boykett
%T All difference family structures arise from groups
%J Algebra and discrete mathematics
%D 2009
%P 20-31
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ADM_2009_1_a3/
%G en
%F ADM_2009_1_a3