Christos Theoharatos Nikolaos A. Laskaris George Economou Spiros Fotopoulos Combining self-organizing neural nets with multivariate statistics for efficient color image retrieval. 250-258 2006 102 Computer Vision and Image Understanding 3 http://dx.doi.org/10.1016/j.cviu.2006.02.008 db/journals/cviu/cviu102.html#TheoharatosLEF06