%0 Journal Article
%A H. Beker
%A Ch. Mitchell
%A F. Piper
%T Tactical decompositions of designs.
%J Aequationes mathematicae
%D 1982
%P 123-152
%V 25
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AM2_1982__25_136960/
%F AM2_1982__25_136960