Packing up to 50 Equal Circles in a Square. - Kari J. Nurmela; Patric R. J. Östergård (Discret. Comput. Geom., 1997)

New constant weight codes from linear permutation groups. - Kari J. Nurmela; Markku K. Kaikkonen; Patric R. J. Östergård (IEEE Trans. Inf. Theory, 1997)

Dense packings of congruent circles in a circle. - Ronald L. Graham; Boris D. Lubachevsky; Kari J. Nurmela; Patric R. J. Östergård (Discret. Math., 1998)

Covering t-sets with (t+2)-sets. - Kari J. Nurmela; Patric R. J. Östergård (Discret. Appl. Math., 1999)

More Optimal Packings of Equal Circles in a Square. - Kari J. Nurmela; Patric R. J. Östergård (Discret. Comput. Geom., 1999)

Conjecturally Optimal Coverings of an Equilateral Triangle with Up to 36 Equal Circles. - Kari J. Nurmela (Exp. Math., 2000)

Upper bounds for covering arrays by tabu search. - Kari J. Nurmela (Discret. Appl. Math., 2004)