Stibadium with a Mosaic in the Roman Villa of Rabaçal, Penela, Portugal - Pessoa, Miguel (Türkiye Mozaikleri ve Antik Dönemden Ortaçag Dünyasina Diger Mozaiklerle Paralel Gelisimi (11th Colloque international pour l'étude de la mosaïque antique, Bursa 2009)., 2011)