著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Morita Jun and Terui Akira,"Words, tilings and combinatorial spectra",Hiroshima mathematical journal,00182079,広島大学,2009-03,39,1,37-60,https://cir.nii.ac.jp/crid/1572261552466029696,