@inproceedings{
    conf/icpr/KoskelaLO04,
    author = "Koskela, Markus and Laaksonen, Jorma and Oja, Erkki",
    title = "Entropy-Based Measures for Clustering and SOM Topology Preservation Applied to Content-Based Image Indexing and Retrieval",
    ee = "http://csdl.computer.org/comp/proceedings/icpr/2004/2128/02/212821005abs.htm",
    booktitle = "ICPR (2)",
    year = "2004",
    bibsource = "DBLP, http://dblp.uni-trier.de",
    pages = "1005-1009"
}