TY - BOOK AU - Walker,James A. TI - Variation in linguistic systems SN - 9780415990677 (hbk) PY - 2010/// CY - New York, NY PB - Routledge KW - Language and languages KW - Variation N1 - Includes bibliographical references (p. 144-152) and index; Linguistic corpora and abbreviations -- Acknowledgments -- Introduction -- Variation and variables -- The analysis of linguistic variation -- Multivariate analysis with GoldVarb -- Variation in sound systems -- Variation in grammatical systems -- Language change -- Language contact -- Conclusion ER -