%0 Journal Article %A I.M. Chakravarti %T Orthogonal and Partially Balanced Arrays and their Application in Design of Experiment. %J Metrika %D 1963 %P 231-242 %V 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/MET_1963__7_175220/ %F MET_1963__7_175220