TY - BOOK AU - DeGraff, Michel TI - Language creation and language change : creolization, diachrony, and development SN - 9780262541268 SN - 98035937 U1 - 410 DEG PY - 1999/// CY - Cambridge, MA PB - MIT Press KW - Creole dialects KW - Generative grammar KW - Language acquisition KW - Languages in contact KW - Linguistic change KW - Sign language N1 - Includes bibliographical references and index ER -