Smooth hierarchical surface triangulations. - Tran S. Gieng; Bernd Hamann; Kenneth I. Joy; Gregory L. Schussman; Issac J. Trotts (IEEE Visualization, 1997)

Constructing Hierarchies for Triangle Meshes. - Tran S. Gieng; Bernd Hamann; Kenneth I. Joy; Gregory L. Schussman; Issac J. Trotts (IEEE Trans. Vis. Comput. Graph., 1998)