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) David Birdsong,"Plasticity, Variability and Age in Second Language Acquisition and Bilingualism",Frontiers in Psychology,1664-1078,Frontiers Media SA,2018-03-12,9,,,https://cir.nii.ac.jp/crid/1363388844010744320,https://doi.org/10.3389/fpsyg.2018.00081