Wiltschko, Martina. The Universal Structure of Categories : Towards a Formal Typology / Martina Wiltschko. - Cambridge : Cambridge University Press, 2014. - 1 online resource (378 pages) - Cambridge Studies in Linguistics ; 142 . ISBN: 9781139833899 (ebook) Subjects--Topical Terms: Categorial grammarStructural linguisticsLanguage, Universal