Superquadrics with rational and irrational symmetry. - Johan Gielis; Bert Beirinckx; Edwin Bastiaens (Symposium on Solid Modeling and Applications, 2003)

Superformula solutions for 3D graphic arts and CAD/CAM. - Johan Gielis; Bert Beirinckx (SIGGRAPH Posters, 2004)

Variational superformula curves for 2D and 3D graphic arts. - Johan Gielis; Edwin Bastiaens; Tom Krikken; Albert Kiefer; Marc de Blochouse (SIGGRAPH Posters, 2004)

A New Potential Function for Self Intersecting Gielis Curves with Rational Symmetries. - Yohan D. Fougerolle; Frédéric Truchetet; Johan Gielis (GRAPP, 2009)

The Robin problem for the Laplace equation in a three-dimensional starlike domain. - Diego Caratelli; Paolo E. Ricci; Johan Gielis (Appl. Math. Comput., 2011)

A robust evolutionary algorithm for the recovery of rational Gielis curves. - Yohan D. Fougerolle; Johan Gielis; Frédéric Truchetet (Pattern Recognit., 2013)

Modeling of Electroporation Induced by Pulsed Electric Fields in Irregularly Shaped Cells. - Luciano Mescia; Michele A. Chiapperino; Pietro Bia; Johan Gielis; Diego Caratelli (IEEE Trans. Biomed. Eng., 2018)

A Superellipse with Deformation and Its Application in Describing the Cross-Sectional Shapes of a Square Bamboo. - Weiwei Huang; Yueyi Li; Karl J. Niklas; Johan Gielis; Yongyan Ding; Li Cao; Peijian Shi 001 (Symmetry, 2020)

The Generalized Gielis Geometric Equation and Its Application. - Peijian Shi 001; David Ratkowsky; Johan Gielis (Symmetry, 2020)

Exploring and Selecting Supershapes in Virtual Reality with Line, Quad, and Cube Shaped Widgets. - Francisco Nicolau; Johan Gielis; Adalberto L. Simeone; Daniel Simões Lopes (VR, 2022)

Evidence That Supertriangles Exist in Nature from the Vertical Projections of Koelreuteria paniculata Fruit. - Yuping Li; Brady K. Quinn; Johan Gielis; Yirong Li; Peijian Shi 001 (Symmetry, 2022)

Effects of the Numerical Values of the Parameters in the Gielis Equation on Its Geometries. - Lin Wang; David Ratkowsky; Johan Gielis; Paolo Emilio Ricci; Peijian Shi 001 (Symmetry, 2022)

A New Program to Estimate the Parameters of Preston's Equation, a General Formula for Describing the Egg Shape of Birds. - Peijian Shi 001; Lin Wang; Brady K. Quinn; Johan Gielis (Symmetry, 2023)