Data Dependent Thin Plate Energy and its Use in Interactive Surface Modeling. - Günther Greiner; Joachim Loos; Wieger Wesselink (Comput. Graph. Forum, 1996)

Konstruktion von Flächen mit vorgegebenen Krümmungseigenschaften und Anwendungen in der Augenoptik. - Joachim Loos (Utz, 1998)

A variational approach to progressive lens design. - Joachim Loos; Günther Greiner; Hans-Peter Seidel (Comput. Aided Des., 1998)

Using Wavefront Tracing for the Visualization and Optimization of Progressive Lenses. - Joachim Loos; Philipp Slusallek; Hans-Peter Seidel (Comput. Graph. Forum, 1998)

Modeling of Surfaces with Fair Reflection Line Pattern. - Joachim Loos; Günther Greiner; Hans-Peter Seidel (Shape Modeling International, 1999)