Thrane, H. (2009). Aggression, territory and boundary - and the Nordic Bronze Age. In L. H. Olausson & M. Olausson (Eds.), The Martial Society: Aspects of warriors, fortifications and social change in Scandinavia (Vol. Theses and Papers in Archaeology B 11., pp. 11-24). Archaeological Research Laboratory Stockholm University.
Starrfelt, R. & Gerlach, C. (2009). Akalkuli. In A. Gade, C. Gerlach, R. Starrfelt & P. Møller Pedersen (Eds.), Klinisk neuropsykologi (pp. 122-128). Frydenlund Academic.