References
- Callahan, Errett 1980 International work seminar I: a pilot project in flintknapping workshops. Flintknappers’ Exchange 3(1):4–5.
- Fischer, A. , B. Grønnow, J. H. Jønsson, F.O. Nielsen, and C. Petersen 1979 Stone age experiments in Lejre: Internal organization of the settlements. Working Papers, No. 8. The National Museum of Denmark.
- Weisgerber, G., R. Slotta, and J. Weiner (eds.) 1980 5000 Jahren Feuersteinbergbau. Deutschen Bergbau-Museum. Bochum, West Germany.