@article{ITA_2006__40_4_537_0,
     author = {Bozapalidis, Symeon and Grammatikopoulou, Archontia},
     title = {Picture codes},
     journal = {RAIRO - Theoretical Informatics and Applications - Informatique Th\'eorique et Applications},
     pages = {537--550},
     publisher = {EDP-Sciences},
     volume = {40},
     number = {4},
     year = {2006},
     doi = {10.1051/ita:2006038},
     mrnumber = {2277047},
     zbl = {1117.94015},
     language = {en},
     url = {http://archive.numdam.org/articles/10.1051/ita:2006038/}
}