Santhana Krishnamachari Mohamed Abdel-Mottaleb Image Browsing using Hierarchical Clustering. 301-307 http://csdl.computer.org/comp/proceedings/iscc/1999/0250/00/02500301abs.htm 1999 conf/iscc/1999 ISCC db/conf/iscc/iscc1999.html#KrishnamachariA99