%0 Journal Article %A J. A. Eccleston %A J.A. John %T Orthogonal Main Effect Plans for Two and Three Factors in Small Blocks. %J Metrika %D 1996 %P 203-212 %V 43 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MET_1996__43_3_176651/ %F MET_1996__43_3_176651