Agent-Mediated Electronic Commerce. Designing Trading Agents and MechanismsHan La Poutré, Norman Sadeh, Sverker Janson · First published 2006Open the Tome
Hällristningar och hällmålningar i SverigeJanson, Sverker, Ulf Bertilsson · First published 1989Open the Tome
Ancient hunters and settlements in the mountains of SwedenJanson, Sverker · First published 1966Open the Tome
Ancient hunters and settlements in the mountins of SwedenSverker Janson · First published 1966Open the Tome
Hällristningar i SverigeÅke Fredsjö, Sverker Janson, Carl-Axel Moberg · First published 1956Open the Tome
