POLYHEDRON, vol. 15, no. 21, page. 3811 - 3820, 1996-01
POLYHEDRON, vol. 15, no. 9, page. 1473 - 1479, 1996-05
IEEE TRANSACTIONS ON COMPUTER-AIDED DESIGN OF INTEGRATED CIRCUITS AND SYSTEMS, vol. 28, no. 6, page. 926 - 930, 2009-06