1. Auerbach, S., 1990, Approximation mit bivariaten B-splines über Dreiecken: Ms. Thesis, Dept. of Applied Mathematics, Univ. of Bonn, FRG, (unpublished).
2. Auerbach, S., Neamtu, M., Gmelig Meyling, R., and Schaeben, H., 1990, Approximation and Geometric Modeling with Simplex B-Splines Associated with Irregular Triangles: CAGD (to appear).
3. Auerbach, S., and Schaeben, H., 1989, Computer-Aided Geometric Design in Geosciences: II. Practical Application to Digital Elevation Models and Topographic Maps: Abstract, 28th International Geological Congress, Washington, July 9?19, 1989.
4. Auerbach, S., and Schaeben, H., 1990, Surface Representations Reproducing Given Digitized Contour Lines: Math. Geol., v. 22, p. 723?742.
5. Böhm, W., Farin, G., and Kahmann, J., 1984, A Survey of Curve and Surface Methods in cagd: CAGD, v. 1, p. 1?60.