Macwhinney Brian Emergence of language - - Mahwah, NJ Lawrence Erlbaum Associates 1999 - 500 p. 24 cm. - Caregie Mellon Symposia on cognition 0 . Language Development, Language ISBN: 0805830111 0-8058-3010-3 Subjects--Topical Terms: LanguageLanguage Development Dewey Class. No.: WV500 / MAC