Nicholas M. Patrikalakis Stephen L. Abrams James G. Bellingham Wonjoon Cho K. P. Mihanetzis Allan R. Robinson Henrik Schmidt Pubudu C. H. Wariyapola 45-54 2000 Computer Graphics International http://computer.org/proceedings/cgi/0643/06430045abs.htm db/conf/cgi/cgi2000.html#PatrikalakisABCMRSW00