Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Tokunaga Kazuhiro,Discourse Functions of Optional Subject-Auxiliary Inversion Constructions in Than- and As-Clauses,OUPEL(Osaka University Papers in English Linguistics),09196293,"Department of English Linguistics, Graduate School of Letters, Osaka University",2019-12,19,,177-195,https://cir.nii.ac.jp/crid/1390290699795418496,https://doi.org/10.18910/77251