%0 Journal Article %A A. Dey %A Ashish Das %T On Some E-Optimal Block Designs. %J Metrika %D 1989 %P 269-278 %V 36 %N 3-4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MET_1989__36_3-4_176242/ %F MET_1989__36_3-4_176242