Duck Hoon Kim In Kyu Park Il Dong Yun Sang Uk Lee A New MPEG-7 Standard: Perceptual 3-D Shape Descriptor. 238-245 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3332&spage=238 2004 conf/pcm/2004-2 PCM (2) db/conf/pcm/pcm2004-2.html#KimPYL04