International Workshop on Granph-Theoretic Concepts in Computer Science.International Workshop on Graph-Theoretic Concepts in Computer Science (18th : 1992 : Germany):Granph-Theoretic Concepts in Computer Science : proceedings.Springer,1993.
International Workshop on Graph-Theoretic Concepts in Computer Science (18th : 1992 : Germany):Granph-Theoretic Concepts in Computer Science : proceedings
International Workshop on Granph-Theoretic Concepts in Computer Science.Springer,1993.
International Workshop on Word Equations and Related Topics,IWWERT`91.International Workshop on Word Equations and Related Topics(2nd : 1991 : France):Word equations and related topics.Springer,1993.