%0 Journal Article %A Bronisław Ceranka %A Maria Kozłowska %T Connectedness of row and column designs %J Applicationes Mathematicae %D 1991 %P 27-31 %V 21 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/am-21-1-27-31/ %R 10.4064/am-21-1-27-31 %G en %F 10_4064_am_21_1_27_31