Zlatko ERJAVEC: 3D homogeneous geometries and some special surfaces
Faculty of Organization and Informatics, University of Zagreb, Croatia
Cornelie LEOPOLD: Structural and geometric concepts for architectural design processes
Kaiserslautern University of Technology, Germany
Otto RÖSCHEL: Planar kinematics and overconstrained spatial mechanisms
Graz University of Technology, Austria
Vladimir VOLENEC: Three-bar curves, asymmetric propellers and idempotent medial quasigroups
Department of Mathematics, Faculty of Science, University of Zagreb, Croatia