Antonio Clavelli Luigi P. Cordella Claudio De Stefano Angelo Marcelli Indexing and retrieving cursive documents without recognition. 1-4 2008 ICPR https://doi.org/10.1109/ICPR.2008.4761833 https://doi.ieeecomputersociety.org/10.1109/ICPR.2008.4761833 conf/icpr/2008 db/conf/icpr/icpr2008.html#ClavelliCSM08