{"id":"001550984","type":"article","title":"Where did the Piasts take silver from?","publisher":"Wydawnictwo IAE PAN :, Wydawnictwo WH US,.","publisher-place":"Szczecin","pages":"209-222","container-title":"Economies, monetisation and society in the West Slavic lands 800 - 1200 AD","author":[{"family":"Boroń","given":"Piotr"}],"issued":{"raw":"2013"}}