Deformable curve and surface finite-elements for free-form shape design. - George Celniker; Dave Gossard (SIGGRAPH, 1991)

Linear Constraints for Deformable Non-Uniform B-Spline Surfaces. - George Celniker; Will Welch (SI3D, 1992)

Visualization and Modeling of Geophysical Data. - George Celniker; Indranil Chakravarty; Jan Moorman (IEEE Visualization, 1993)