I. Dhillon. Proceedings of the seventh ACM SIGKDD international conference on Knowledge discovery and data mining, стр. 269--274. New York, NY, USA, ACM, (2001)
I. Dhillon, S. Mallela, и D. Modha. Proceedings of the ninth ACM SIGKDD international conference on Knowledge discovery and data mining, стр. 89--98. New York, NY, USA, ACM, (2003)