Zhihua Zou Edward P. Morse Applications of the GapSpace Model for Multidimensional Mechanical Assemblies. 22-30 2003 3 J. Comput. Inf. Sci. Eng. 1 http://ojps.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=JCISB6000003000001000022000001&idtype=cvips&gifs=Yes db/journals/jcise/jcise3.html#ZouM03