1. Akgül, C. B. (2007). Density-based shape descriptors and similarity learning for 3D object retrieval. Ph.D. thesis, Dept. Signals-Images, Télécom ParisTech, Paris.
2. Akgül, C. B., Sankur, B., Yemez, Y., & Schmitt, F. (2008). Similarity score fusion by ranking risk minimization for 3D object retrieval. In Proceedings of the Eurographics workshop on 3D object retrieval.
3. Akgül, C. B., Sankur, B., Yemez, Y., & Schmitt, F. (2009). 3D model retrieval using probability density-based shape descriptors. IEEE Transactions on Pattern Analysis and Machine Intelligence, 31(6), 1117–1133.
4. Bustos, B., Keim, D. A., Saupe, D., Schreck, T., & Vranic, D. V. (2005). Feature-based similarity search in 3D object databases. ACM Computing Surveys, 37(4), 345–387.
5. Chang, C.-C., & Lin, C.-J. (2001). LIBSVM: a library for support vector machines. Software available at http://www.csie.ntu.edu.tw/~cjlin/libsvm .