Endrika:Tsiahy:zh:Laufer:1916
Laufer, Berthold (1916), chapter Supplementary Notes On Walrus and Narwhal Ivory, in T'oung Pao[1], volume 17, , pages 348–389
Laufer, Berthold (1916), chapter Supplementary Notes On Walrus and Narwhal Ivory, in T'oung Pao[1], volume 17, →DOI, pages 348–389