Amber : views, opinions. Vol. 2, Scientific seminars Amberif - International Fair of Amber, Jewellery and Gemstones 2006-2009 / ed. by Barbara Kosmowska-Ceranowicz, Wiesław Gierłowski ; [transl. by Dorota Górak-Łuba] ; The International Amber Association, Polish Academy of Sciences. The Museum of The Earth in Warsaw, Gdańsk International Fair CO. - Górak-Łuba, Dorota (The International Amber Association, 2014)