Klempien-Hinrichs, R.; Kreowski, H.-J.; Kuske, S.
        
        Rule-Based Transformation of Graphs and the Product Type
        In: van Bommel, P. (eds.): Transformation of Knowledge, Information and Data. IGI Global, Hershey. 2005, pp. 29-51
        
        (Workgroups: 
BIBA, 
Theoretical Computer Science, 
IGS)