@article{MABA_2007_21_1-2_a9,
     author = {Masaaki Harada and Takuji Nishimura and Radinka Yorgova},
     title = {New {Extremal} {Self-Dual} {Codes} of {Length} 66},
     journal = {Mathematica balkanica},
     pages = {113},
     publisher = {mathdoc},
     volume = {21},
     number = {1-2},
     year = {2007},
     url = {http://geodesic.mathdoc.fr/item/MABA_2007_21_1-2_a9/}
}