{"id":"001550971","type":"article","title":"Two systems of trade in the Western Slavic lands in the 10th century","publisher":"Wydawnictwo IAE PAN :, Wydawnictwo WH US,.","publisher-place":"Szczecin","pages":"137-148","container-title":"Economies, monetisation and society in the West Slavic lands 800 - 1200 AD","author":[{"family":"Jankowiak","given":"Marek."}],"issued":{"raw":"2013"}}