Drafehn, Anselm. 2014. “SDS – Systematic, Digital Collection of Data Sets of Stone Artefacts - Supplement K-List, Vers. 1.0.12.11 (Classification and Denomination of Projectiles and Inset-blades), List of Accordance of the West and Central European Forms”. Journal of Neolithic Archaeology 16 (April):63-95. https://doi.org/10.12766/2014.2.