Antoine Doucet Gabriella Kazai Bodin Dresevic Aleksandar Uzelac Bogdan Radakovic Nikola Todic ICDAR 2009 Book Structure Extraction Competition. 1408-1412 2009 ICDAR http://dx.doi.org/10.1109/ICDAR.2009.280 conf/icdar/2009 db/conf/icdar/icdar2009.html#DoucetKDURT09