Dresher, B. Elan creator text Cambridge Cambridge University Press 2010 monographic 280 p. B. Elan Dresher Grammar, Comparative and general Phonology, Comparative 414 DRE 9780511642005 https://www.cambridge.org/core/books/contrastive-hierarchy-in-phonology/DDF46EC21716F6A7B587413E05834188 https://www.cambridge.org/core/books/contrastive-hierarchy-in-phonology/DDF46EC21716F6A7B587413E05834188