Heine, Thomas Riedel-Köhler, DagmarA.A.G. Requicha2015-09-292015-09-2919861017-4656https://doi.org/10.2312/eg.19861019Design environments for CAD/CAM require new techniques of version management. This work presents a concept of a largely data modelindependent version manager thus allowing easy integration into any existing database system. An implementation proposal of a version manager based on a relational database system is given.10.2312/eg.19861019