Syntactic Processing of Diagrams by G.raph Grammars. Cenf on Software; Theory and Proctice. 2000. 16th IFIP, WCC2000/128-134
Integrated visualization-based environment for computer science eclucation. Cent. on Educational Use of Information and Communication Technology. 2000. 16th IFIP, WCC2000/225-229
Syntactic Processing of Diagrams by Graph Grammars. Cenf on Software; Theory and Proctice. 2000. 16th IFIP, WCC2000/128-134