EUROPEAN JOURNAL OF COMBINATORICS, vol. 26, no. 5, page. 629 - 650, 2005-07
EUROPEAN JOURNAL OF COMBINATORICS, vol. 26, no. 2, page. 145 - 165, 2005-02
DISCRETE MATHEMATICS, vol. 270, no. 1-3, page. 43 - 60, 2003-08-28
IEEE TRANSACTIONS ON INFORMATION THEORY, vol. 49, no. 5, page. 1275 - 1282, 2003-05