J. Norberto Pires Sérgio Paulo Robotic de-palletizing system for the non-flat ceramic industry. 152-158 2003 30 Ind. Robot 2 https://doi.org/10.1108/01439910310464177 https://www.wikidata.org/entity/Q59274836 db/journals/irob/irob30.html#PiresP03