1. Becker, P., Hereth, J., Stumme, G.: ToscanaJ: An open source tool for qualitative data analysis. In: Duquenne, V., Ganter, B., Liquiere, M., Nguifo, E.M., Stumme, G. (eds.) Advances in Formal Concept Analysis for Knowledge Discovery in Databases, FCAKDD 2002 (2002)
2. Lecture Notes in Artificial Intelligence;F. Dau,2005
3. Ganter, B., Wille, R.: Formal Concept Analysis: Mathematical Foundations. Springer, Berlin (1999)
4. Hereth, J.: Formale begriffsanalyse und data warehousing. Masters thesis, TU Darmstadt, Germany (2000)
5. Lecture Notes in Artificial Intelligence;J. Hereth,2002