1. Lect Notes Comput Sci;Y. Asahiro,1995
2. Y. Asahiro, K. Iwama, H. Tamaki and T. Tokuyama. Greedily Finding a Dense Subgraph. Journal of Algorithms, 34(2):203–221 (2000).
3. P. Drineas, A. Frieze, R. Kannan, S. Vempala and V. Vinay. Clustering in Large Graphs and Matrices. Proc. 10th Annual ACM-SIAM Symposium on Discrete Algorithms, 291–299 (1999).
4. U. Feige, G. Kortsarz and D. Peleg. The Dense k-Subgraph Problem. Algorithmica, to appear. Preliminary version in Proc. 34th Annual IEEE Symposium on Foundations of Computer Science, 692–701 (1993).
5. U. Feige and M. Seltser. On the Densest k-Subgraph Problem. Weizmann Institute Technical Report CS 97-16 (1997).