Quote from the last page of the recent article On statistical approaches to the study of ceramic artefacts using geochemical and petrographic data by Baxter MJ, Beardah CC, Papageorgiou I, Cau MA, Day PM, Kilikoglou V appeared on «Archaeometry» 2008 February;50(1):142-157. Available from: http://dx.doi.org/10.1111/j.1475-4754.2007.00359.x .