Bortoni-Ricardo, Stella Maris, 1945- The urbanization of rural dialect speakers : a sociolinguistic study in Brazil / Stella Maris Bortono-Ricardo. - Cambridge : Cambridge University Press, 1985. - 265p. ; .24 cm. Includes index ISBN: 0521304040 Subjects--Topical Terms: Urban dialects--BrazilPortuguese language--Dialects--BrazilSociolinguistics--Network analysisRural--Urban migration--Brazil