1. Carpineto, C., Romano, G.: A lattice conceptual clustering system and its application to browsing retrieval. Machine Learning 24, 95–122 (1996)
2. Garey, R., Johnson, D.: Computers and Intractability: A Guide to the Theory of NP Completeness. W. H. Freeman and Company (1979)
3. Godin, R.: L’utilisation de Treillis pour l’Accès aux Systèmes d’Information. PhD thesis, University of Montreal (1986)
4. Godin, R., Missaoui, R., Alaoui, H.: Incremental concept formation algorithms based on galois (concept) lattices. Computational Intelligence 11, 246–267 (1995)
5. Hunt, E., Martin, J., Stone, P.: Experiments in Induction. Academic Press (1966)