Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) 江田 すみれ and Sumire GODA,Long-term Progressive and Perfective Usages of teiru in Scientific Books: Describing the Premise and Presenting the Conclusion,国立国語研究所論集 = NINJAL Research Papers,2186-134X,国立国語研究所,2011-11,2,,19-47,https://cir.nii.ac.jp/crid/1390290699744570112,https://doi.org/10.15084/00000480