1. Granular Computing: An Introduction;Bargiela,2002
2. Toward a theory of granular computing for human-centered information processing;Bargiela;IEEE Transactions on Fuzzy Systems,2008
3. A theory of granular partitions;Bittner,2003
4. T. Bittner, J. Stell, Stratified rough sets and vagueness, in: W. Kuhn, M.F. Worboys, S. Timpf (Eds.), Spatial Information Theory, Proceedings of International Conference on Foundations of Geographic Information Science (COSIT 2003), Kartause Ittingen, Switzerland, September 24–28, 2003, Lecture Notes in Computer Science, vol. 2825, 2003, pp. 270–286.
5. Rough approximation by dominance relation;Greco;International Journal of Intelligent Systems,2002