%0 Journal Article %A Masaaki Harada %A Takuji Nishimura %A Radinka Yorgova %T New Extremal Self-Dual Codes of Length 66 %J Mathematica balkanica %D 2007 %P 113 %V 21 %N 1-2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MABA_2007_21_1-2_a9/ %F MABA_2007_21_1-2_a9