@article{oai:nagoya.repo.nii.ac.jp:00005681,
 author = {吉田, 泰幸 and Yoshida, Yasuyuki},
 journal = {名古屋大学博物館報告},
 month = {Dec},
 note = {Plug-shaped clay ear ornaments are pierced earrings. These were developed in the latest Jomon period remarkably, and had three characteristics; various size -diameter-, various forms, enormous quantity. In this paper, the author examined the process these characteristics have been formed and showed new interpretation. Having a viewpoint ornament’s decoration relate to function as status symbols, the author classified forms of ear ornaments, divided size five-steps - from size I to V -, investigated both composition per stage. The various forms and enormous quantity were observed only in the latest period. The size centered on size I at first, after that became large sized, had variation of size at the Pacific Ocean side of Tohoku region mainly and its manner spread. These changes related to artificial deformation of teeth categorized as mutilation as pinking earflap. The ranks of ear ornament’s decoration didn’t correlate with cordial burial always. These ear ornaments developed in the principle of the area of broad-leaved deciduous forest that status symbols were not fixed in specific person., 国立情報学研究所で電子化したコンテンツを使用している。},
 pages = {29--54},
 title = {縄文時代における土製栓状耳飾の研究},
 volume = {19},
 year = {2003}
}