TY - CHAP T1 - Empirical Foundation for a Theory of Language Change T2 - Directions for historical linguistics: A symposium Y1 - 1968 A1 - Weinreich, Uriel A1 - Labov, William A1 - Herzog, Marvin I. ED - Lehmann, W. P. ED - Malkeil, Yakov KW - Historical linguistics KW - language change KW - езикова промяна KW - историческа лингвистика JF - Directions for historical linguistics: A symposium PB - Univ. of Texas Press CY - Austin, {TX} ER -