1. Baesens, B. (2003). Developing intelligent systems for credit scoring using machine learning techniques, Ph.D. Thesis, Katholieke Universiteit Leuven, 2003.
2. Exact adaptive filters for Markov chains observed in Gaussian noise;Elliott;Automatica,1994
3. Hidden Markov models: Estimation and control;Elliott,1995
4. Construction and assessment of classification rules;Hand,1997
5. An introduction to credit scoring;Lewis,1992