STÄHLE, Volker et al.
Petrological studies of Middle Neolithic stone artefacts from the Salenhof archaeological site near Trillfingen (SW Germany) give evidence for an early diversified long-distance exchange system.
Journal of Neolithic Archaeology, [S.l.], v. 20, p. 131-158, feb. 2019.
Available at: <http://www.jna.uni-kiel.de/index.php/jna/article/view/159>. Date accessed: 16 dec. 2019.