DISCRETE MATHEMATICS, vol. 297, no. 1-3, page. 174 - 181, 2005-07-28
JOURNAL OF COMBINATORIAL DESIGNS, vol. 13, no. 4, page. 276 - 285, 2005-07
IEEE TRANSACTIONS ON INFORMATION THEORY, vol. 51, no. 4, page. 1424 - 1431, 2005-04
ORDER-A JOURNAL ON THE THEORY OF ORDERED SETS AND ITS APPLICATIONS, vol. 22, no. 1, page. 63 - 72, 2005-02