1. IEEE Computer (1995). special issue on content based image retrieval, 28, 9.
2. Agarwal P.K, Sharir M. and Toledo S. Applications of parametric searching in geometric optimization, Proc. 3rd ACM-SIAM Sympos. Discrete Algorithms, 1992, 72–82.
3. Alt H., Behrends B. and Blömer J. Approrimate matching of polygonal shapes, Proc. 7th Annu. ACM Sympos. Comput. Geom., 1991, 186–193
4. Alt H. and Godau M. Measuring the resemblarice of polygonal curves, 8th ACM Symposium on Computational Geometry (1992), 102–109.
5. Alt H. and L.J. Guibas. Resemblance of Geometric Objects. In J.-R. Sack and J. Urrutia, editors Handbook of Computational Geometry. North-Holland., Amsterdam, 2000.