1. Bottleneck assignment problems under categorization;Aggarwal;Comput. Oper. Res.,1986
2. Data Structures and Algorithms;Aho,1983
3. Why certain subgraph computations require only linear time;Bern;Proceedings 26th Annual IEEE Symposium on Foundations of Computer Science,1985
4. Contrained partitioning problems;Burkard,1988
5. Computers and Intractability: A Guide to the Theory of NP-Completeness;Garey,1979