IEEE JOURNAL OF SOLID-STATE CIRCUITS, vol. 38, no. 4, page. 631 - 640, 2003-04
NETWORKS, vol. 58, no. 1, page. 12 - 19, 2011-08
THEORETICAL COMPUTER SCIENCE, vol. 410, no. 40035, page. 963 - 967, 2009-03-01
BULLETIN OF THE AUSTRALIAN MATHEMATICAL SOCIETY, vol. 59, no. 1, page. 153 - 161, 1999-02
JOURNAL OF GEOMETRY AND PHYSICS, vol. 37, no. 1-2, page. 94 - 99, 2001-01
ARS COMBINATORIA, vol. 57, page. 49 - 64, 2000-10
ORDER-A JOURNAL ON THE THEORY OF ORDERED SETS AND ITS APPLICATIONS, vol. 22, no. 1, page. 63 - 72, 2005-02
KUWAIT JOURNAL OF SCIENCE & ENGINEERING, vol. 33, no. 2, page. 19 - 32, 2006-12
DISCRETE MATHEMATICS, vol. 148, no. 1-3, page. 85 - 105, 1996-01-15