Analysis of information sources in references of the Wikipedia article "Радилица (мотор)" in Serbian language version.
Ritti, Tullia; Grewe, Klaus; Kessener, Paul (2007), „A Relief of a Water-powered Stone Saw Mill on a Sarcophagus at Hierapolis and its Implications”, Journal of Roman Archaeology, 20: 138—163, S2CID 161937987, doi:10.1017/S1047759400005341Because of the findings at Ephesus and Gerasa the invention of the crank and connecting rod system has had to be redated from the 13th to the 6th c; now the Hierapolis relief takes it back another three centuries, which confirms that water-powered stone saw mills were in use when Ausonius wrote his Mosella.
Ritti, Tullia; Grewe, Klaus; Kessener, Paul (2007), „A Relief of a Water-powered Stone Saw Mill on a Sarcophagus at Hierapolis and its Implications”, Journal of Roman Archaeology, 20: 138—163, S2CID 161937987, doi:10.1017/S1047759400005341Because of the findings at Ephesus and Gerasa the invention of the crank and connecting rod system has had to be redated from the 13th to the 6th c; now the Hierapolis relief takes it back another three centuries, which confirms that water-powered stone saw mills were in use when Ausonius wrote his Mosella.