 Janet Peterson, Rebecca Brannon,<br>
          User Manual and Supporting Information for Library of Codes
          for Centroidal Voronoi Placement and Associated Zeroth,
          First, and Second Moment Determination,<br>
          Sandia National Laboratories Technical Report SAND2002-0099,<br>
          February 2002.
        </li>
        <li>
          Qiang Du, Vance Faber, Max Gunzburger,<br>
          Centroidal Voronoi Tessellations: Applications and Algorithms,<br>
          SIAM Review,<br>
