{"id":"001171225","type":"book","title":"Brodnica-Michałowo. Underwater discoveries in the Drwęca river in northern Poland","publisher-place":"Thorverton","pages":"10-13","container-title":"News WARP, 20 (1996","author":[{"family":"Grążawski","given":"Kazimierz"}],"issued":{"raw":"1996"}}