@article{weko_60081_1,
   author	 = "Susumu,Furukawa",
   title	 = "Algorithms Combining Polyhedra and Separating Polyhedron for CAD",
   journal	 = "Information Processing in Japan",
   year 	 = "1976",
   volume	 = "16",
   number	 = "0",
   pages	 = "19--25",
   month	 = "jan"
}