{"id":"000531444","type":"article","title":"An Egyptian black pottery duck-vase of about 1600 B.C. in Leyden","pages":"1-6","container-title":"Oudheidkundige mededelingen uit het Rijksmuseum van Oudheden te Leiden, 42.1961","author":[{"family":"Kern","given":"J.H.C."}],"issued":{"raw":"1961"}}