Knutsson, K. (1988). Making and using stone tools: The analysis of the lithic assemblages from Middle Neolithic sites with flint in Västerbotten, northern Sweden. Societas Archaeologica Upsaliensis : Distributed by Dept. of Archaeology, Uppsala University.

Knutsson, Kjel. Making and Using Stone Tools: The Analysis of the Lithic Assemblages from Middle Neolithic Sites with Flint in Västerbotten, Northern Sweden. Uppsala: Societas Archaeologica Upsaliensis : Distributed by Dept. of Archaeology, Uppsala University, 1988.

Knutsson, Kjel. Making and Using Stone Tools: The Analysis of the Lithic Assemblages from Middle Neolithic Sites with Flint in Västerbotten, Northern Sweden. Societas Archaeologica Upsaliensis : Distributed by Dept. of Archaeology, Uppsala University, 1988.