Silva, L. M., Marques de Sá, J., & Alexandre, L. A. (2010). The MEE principle in data classification: A perceptron-based analysis. Neural ComputationNeural Comp., 22(10), 2698 - 2728.

Santos, J. M., De Sá, J. M., & Alexandre, L. A. (2008). LEGClust - A clustering algorithm based on layered entropic subgraphs. IEEE Transactions on Pattern Analysis and Machine IntelligenceIEEE Trans Pattern Anal Mach Intell, 30(1), 62 - 75.