Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Stock, Margaret Pol",Dualism and polarity in the novels of Ramón Pérez de Ayala,,"Tamesis Books,Longwood Pub. Group [distributor]",1988,Colección Támesis,,"0729302628,8459922472",,https://cir.nii.ac.jp/crid/1130000797542760704