Aitchison, Jean Language change : progress or decay? / Jean Aitchison - 3rd ed. - Cambridge : Cambridge University Press, c2001. - xi, 312 p. ; ill. ; 21 cm. - Cambridge approaches to linguistics . ISBN: 0521795354 LCCN: Subjects--Topical Terms: Linguistic change LC Class. No.: P142 / .A37 2001 Dewey Class. No.: 417.7 / A311l