J. Widjaja
(1), M.J. Bottema
(2)
(1)
Analysis and Geometry Group, FMIPA, Institut Teknologi Bandung, Jl. Ganesa 10 Ban-
dung 40132, Indonesia., Indonesia,
(2)
School of Informatics and Engineering, Flinders University, GPO Box 2100 SA 5001,
Australia., Australia
