%0 Journal Article
%A Koolen, J.H.
%T On subgraphs in distance-regular graphs
%J Journal of Algebraic Combinatorics
%D 1992
%P 353-362
%V 1
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/JAC_1992__1_4_a1/
%G en
%F JAC_1992__1_4_a1