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, s. 138–163, doi:10.1017/S1047759400005341, S2CID 1937987 s. 161.
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, s. 138–163, doi:10.1017/S1047759400005341, S2CID 1937987 s. 161.