P. Berkhin, J. Beche, und D. Randall. Proceedings of the seventh ACM SIGKDD international conference on Knowledge discovery and data mining, Seite 414--419. ACM, (2001)
I. Cadez, D. Heckerman, C. Meek, P. Smyth, und S. White. Proceedings of the Sixth ACM SIGKDD International Conference on Knowledge Discovery and Data Mining, Seite 280--284. New York, NY, USA, ACM, (2000)