Frank Wankmüller Characterization of graph classes by forbidden structures and reductions. [Citation Graph (0, 0)][DBLP] Graph-Grammars and Their Application to Computer Science, 1982, pp:405-414 [Conf]
Frank Wankmüller Application of Graph Grammars in Music Composing Systems. [Citation Graph (0, 0)][DBLP] Graph-Grammars and Their Application to Computer Science, 1986, pp:580-592 [Conf]