Most Popular Books
- Graph-Theoretic Concepts in Computer Science: 16th International Workshop Wg '90 Berlin, Germany, June 20-22, 1990, Proceedings (Lecture Notes in Computer Science)
- Graph-Theoretic Concepts in Computer Science: 23rd International Workshop, WG'97, Berlin, Germany, June 18-20, 1997. Proceedings (Lecture Notes in Computer Science)