%0 Journal Article %A J.D. HORTON %A R.C. MULLIN %T A Recursive Construction for Room Designs %J Aequationes mathematicae %D 1971 %P 39-45 %V 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/AM2_1971__6_136166/ %F AM2_1971__6_136166