%0 Journal Article %A M. J. BAYARRI and A. M. MAYORAL %T Graphical models for hierarchical computations in the analysis and design of replications. %J Revista de la Real Academia de Ciencias Exactas, FĂ­sicas y Naturales %D 1999 %V 93 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/RRACEFN_1999_1999_1_a16/ %G en %F RRACEFN_1999_1999_1_a16