An increasing-circle sweep-algorithm to construct the delaunay diagram in the plane. - Bruno Adam; Pierre Kauffmann; Dominique Schmitt; Jean-Claude Spehner (CCCG, 1997)

A shrinking-circle sweep-algorithm to construct the farthest site delaunay diagram in the plane. - Bruno Adam; Pierre Kauffmann; Dominique Schmitt; Jean-Claude Spehner (CCCG, 1998)

The Construction of Delaunay Diagrams by Lob Reduction. - Pierre Kauffmann; Jean-Claude Spehner (JCDCG, 2000)