@article{1424455, author = {\'{E}tienne Baudrier and Nathalie Girard and Jean-Marc Ogier}, title = {A Non-symmetrical Method of Image Local-Difference Comparison for Ancient Impressions Dating}, book = {Graphics Recognition. Recent Advances and New Opportunities: 7th International Workshop, GREC 2007, Curitiba, Brazil, September 20-21, 2007. Selected Papers}, year = {2008}, isbn = {978-3-540-88184-1}, pages = {257--265}, doi = {http://dx.doi.org/10.1007/978-3-540-88188-9_24}, publisher = {Springer-Verlag}, address = {Berlin, Heidelberg}, }