Speas, Margaret, 1951- Phrase structure in natural language Margaret Speas - Dordrecht Kluwer Academic Publishers 1990 - 306 p. : ill. ; 25 cm. - Studies in natural language and linguistic theory 21 . ISBN: 0792307550 LCCN: 90-033742 Subjects--Topical Terms: Phrase structure grammarNavajo language--Grammar, Generative