International Workshop on Granph-Theoretic Concepts in Computer Science.International Workshop on Graph-Theoretic Concepts in Computer Science (15th : 1989 : Netherlands)：Granph-Theoretic Concepts in Computer Science : proceedings.Springer,1989.
International Workshop on Graph-Theoretic Concepts in Computer Science (15th : 1989 : Netherlands)：Granph-Theoretic Concepts in Computer Science : proceedings
International Workshop on Granph-Theoretic Concepts in Computer Science.Springer,1989.
