ARS COMBINATORIA, vol. 77, page. 233 - 244, 2005-10
EUROPEAN JOURNAL OF COMBINATORICS, vol. 26, no. 5, page. 629 - 650, 2005-07
BULLETIN OF THE LONDON MATHEMATICAL SOCIETY, vol. 37, page. 335 - 341, 2005-06
APPLIED MATHEMATICS AND COMPUTATION, vol. 163, no. 2, page. 565 - 576, 2005-04-15
APPLIED MATHEMATICS AND COMPUTATION, vol. 162, no. 1, page. 179 - 188, 2005-03-04
EUROPEAN JOURNAL OF COMBINATORICS, vol. 26, no. 2, page. 145 - 165, 2005-02
ACTA ARITHMETICA, vol. 116, no. 4, page. 387 - 398, 2005-01
PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY, vol. 133, no. 7, page. 1935 - 1939, 2005-01