Citation: Ec. Traugott et Sa. Schwenter, PRINCIPLES OF LINGUISTIC CHANGE, VOL 1, INTERNAL FACTORS - LABOV,W, Studies in language, 21(1), 1997, pp. 228-236
Citation: Ec. Traugott et H. Smith, HOW TO SET PARAMETERS - ARGUMENTS FROM LANGUAGE CHANGE - LIGHTHOOD,D, Journal of linguistics, 29(2), 1993, pp. 431-447